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Columbite-Tantalite

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Photos of Columbite-Tantalite (1295)Recorded Ages and Analyses Discuss Columbite-Tantalite

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Columbite-(Mn)

Topsham, Sagadahoc County, Maine, USA

Columbite-(Mn)

Londonderry Li deposit, Nepean, Coolgardie Shire, Western Australia, Australia

Stibiotantalite

Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA

Columbite-(Mn)

Grotta d'Oggi, San Piero in Campo, Campo nell'Elba, Livorno Province, Tuscany, Italy

Columbite-(Mn)

Topsham, Sagadahoc County, Maine, USA

Columbite-(Mn)

Londonderry Li deposit, Nepean, Coolgardie Shire, Western Australia, Australia

Stibiotantalite

Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA

Columbite-(Mn)

Grotta d'Oggi, San Piero in Campo, Campo nell'Elba, Livorno Province, Tuscany, Italy

Columbite-(Mn)

Topsham, Sagadahoc County, Maine, USA

Columbite-(Mn)

Londonderry Li deposit, Nepean, Coolgardie Shire, Western Australia, Australia

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About Columbite-TantaliteHide

Synonym of:

Columbite-(Fe), Columbite-(Mn), Stibiocolumbite, Stibiotantalite, Tantalite-(Fe), Tantalite-(Mn)

A generic name for minerals of the Columbite/Tantalite families which are difficult to distinguish without sophisticated tests.

Unique IdentifiersHide

Mindat ID:

10303

Long-form identifier:

mindat:1:1:10303:9

Age distributionHide

Recorded ages:

Proterozoic : 1082.3 ± 4.5 Ma to 907 ± 1.8 Ma - based on 19 recorded ages.

Sample ages:

Sample ID	Recorded age	Geologic Time	Dating method
1	907 ± 1.8 Ma	Tonian	Pb-U
2	908.9 ± 1.4 Ma	Tonian
3	910.2 ± 7.1 Ma	Tonian	Pb-U
4	911 ± 3 Ma	Tonian
5	991.6 ± 3.6 Ma	Tonian	Pb-U
6	1082.3 ± 4.5 Ma	Stenian	Pb-U

Sample references:

ID	Locality	Reference
1	Mølland, Iveland, Agder, Norway	Müller, Axel, Romer, Rolf L., Pedersen, Rolf-Birger (2017) The Sveconorwegian Pegmatite Province – Thousands of Pegmatites Without Parental Granites. The Canadian Mineralogist, 55 (2) 283-315 doi:10.3749/canmin.1600075
2	Vintergruben Quarry, Ånnerud, Våler, Østfold, Norway	Müller, Axel, Romer, Rolf L., Pedersen, Rolf-Birger (2017) The Sveconorwegian Pegmatite Province – Thousands of Pegmatites Without Parental Granites. The Canadian Mineralogist, 55 (2) 283-315 doi:10.3749/canmin.1600075
3	Steli Feldspar Quarry, Tveit, Iveland, Agder, Norway	Müller, Axel, Romer, Rolf L., Pedersen, Rolf-Birger (2017) The Sveconorwegian Pegmatite Province – Thousands of Pegmatites Without Parental Granites. The Canadian Mineralogist, 55 (2) 283-315 doi:10.3749/canmin.1600075
4	Hidra, Flekkefjord, Agder, Norway	Müller, Axel, Romer, Rolf L., Pedersen, Rolf-Birger (2017) The Sveconorwegian Pegmatite Province – Thousands of Pegmatites Without Parental Granites. The Canadian Mineralogist, 55 (2) 283-315 doi:10.3749/canmin.1600075
5	Thor's Mine, Vats, Vindafjord, Rogaland, Norway	Müller, Axel, Romer, Rolf L., Pedersen, Rolf-Birger (2017) The Sveconorwegian Pegmatite Province – Thousands of Pegmatites Without Parental Granites. The Canadian Mineralogist, 55 (2) 283-315 doi:10.3749/canmin.1600075
6	Tangen Feldspar Mine, Kragerø, Telemark, Norway	Müller, Axel, Romer, Rolf L., Pedersen, Rolf-Birger (2017) The Sveconorwegian Pegmatite Province – Thousands of Pegmatites Without Parental Granites. The Canadian Mineralogist, 55 (2) 283-315 doi:10.3749/canmin.1600075

Chemical AnalysisHide

Oxide wt%:

	1	2	3	4	5	6	7	8	9
MgO	0,63 %	0,56 %
MnO	6,57 %	6,69 %	5.32 %	5.82 %	6.04 %	16.35 %	17.59 %	10.29 %	9.42 %
FeO	10,55 %	11,13 %	14.44 %	13.46 %	9.6 %	0.73 %	1.07 %	6.97 %	6.4 %
Sc₂O₃	1,69 %	1,38 %
TiO₂	2,38 %	2,35 %	1.64 %	0.36 %	0.81 %	0.12 %	0.04 %	0.19 %	0.42 %
Nb₂O₅	68,82 %	68,84 %	43.74 %	56.15 %	18.66 %	39.04 %	50.34 %	36.63 %	21.8 %
Ta₂O₅	9,01 %	9,18 %	27.99 %	19.55 %	61.79 %	42.08 %	29.45 %	42.32 %	59.56 %
SnO₂			3.79 %
WO₃			0.89 %			0.04 %	0.14 %
U₃O₈			0.08 %
UO₂					0.04 %			0.06 %	0.1 %
Total:	96 %	97 %	97.89 %	95.34 %	96.94 %	98.36 %	98.63 %	96.46 %	97.7 %

Empirical formulas:

Sample ID	Empirical Formula
10	(Mn0.95Fe3+0.05)1.00(Nb1.71Ta0.24Ti0.05)2.00O6.00
11	(Mn0.95Fe3+0.05)1.00(Nb1.71Ta0.24Ti0.05)2.00O6.00
12	(Mn_0.49Fe_0.39Mg_0.01W_0.02)_0.91(Nb_1.68Ta_0.16)_1.84O₆
13	(Sb_0.96Bi_0.04)_?E_1.00(Ta_0.85Nb_0.15)_Σ1.00O₄

Sample references:

ID	Locality	Reference	Notes
1	Atagoyama, Koriyama City, Fukushima Prefecture, Japan	Matsubara, S., Miyawaki, R., Yokoyama, K., Momma, K., Shigeoka, M., and Hashimoto, E. (2013) Pyrochlore and microlite in a pegmatite at Atagoyama, Koriyama City, Fukushima Prefecture, Japan. Bulletin of the National Museum of Nature and Science, Ser. C, 39, 1
2	" "	Matsubara, S., Miyawaki, R., Yokoyama, K., Momma, K., Shigeoka, M., and Hashimoto, E. (2013) Pyrochlore and microlite in a pegmatite at Atagoyama, Koriyama City, Fukushima Prefecture, Japan. Bulletin of the National Museum of Nature and Science, Ser. C, 39, 1
3	Kawadgaon-Challanpara pegmatite field, Dantewada District, Chhattisgarh, India	Singh, Yamuna, Pandit, P. S. C., Bagora, Sanjay, Jain, P. K. (2017) Mineralogy, geochemistry, and genesis of co-genetic granite-pegmatite-hosted rare metal and rare earth deposits of the Kawadgaon area, Bastar craton, Central India. Journal of the Geological Society of India, 89 (2) 115-130 doi:10.1007/s12594-017-0574-2	Columbite-(Fe) from a granite pegmatite. EMPA analysis
4	Marlagalla-Allapatna, Mandya District, Karnataka, India	Sarbajna, Chanchal; Krishnamurthy, P.; Paul, A.K.; Banerjee, D.C. (2000) Mineralogical and Chemical Characteristics of Complexly-Zoned Columbite-Tantalite from the Rare Metal Pegmatites of Southern Karnataka. Journal of the Geological Society of India, 56 (5). 557-571 doi:10.17491/jgsi/2000/560508	The sample is EMPA analysed from 9 spots from core to rim. The Fe/Mn and Nb/Ta ratioes are variable, but all corresponds to columbite-(Fe). This analysis is from the core of the sample.
5	" "	Sarbajna, Chanchal; Krishnamurthy, P.; Paul, A.K.; Banerjee, D.C. (2000) Mineralogical and Chemical Characteristics of Complexly-Zoned Columbite-Tantalite from the Rare Metal Pegmatites of Southern Karnataka. Journal of the Geological Society of India, 56 (5). 557-571 doi:10.17491/jgsi/2000/560508	16 EMPA analyses from core to rim in this sample show a very variable composition with both Ta,Nb, Fe and Mn dominant zones. The core and an intermediate zone show a distinct tantalite-(Fe) composition.
6	Ågskardet LCT Pegmatite, Holandsfjorden, Meløy, Nordland, Norway	Kristiansen, Roy (1994) To nye mineraler for Norge- manganokolumbitt og hingganitt-(Yb) [Two new minerals for Norway- Manganocolumbite and Hingganite-(Yb) ], in Tema: En mineralog runder 50. STEIN. Nordisk magasin for populær geologi, 21 (2) 88-93	Analysis by Dr.A.V.Voloshin.
7	" "	Kristiansen, Roy (1994) To nye mineraler for Norge- manganokolumbitt og hingganitt-(Yb) [Two new minerals for Norway- Manganocolumbite and Hingganite-(Yb) ], in Tema: En mineralog runder 50. STEIN. Nordisk magasin for populær geologi, 21 (2) 88-93	Analysis by Dr.A.V.Voloshin
8	Marlagalla-Allapatna, Mandya District, Karnataka, India	Sarbajna, Chanchal; Krishnamurthy, P.; Paul, A.K.; Banerjee, D.C. (2000) Mineralogical and Chemical Characteristics of Complexly-Zoned Columbite-Tantalite from the Rare Metal Pegmatites of Southern Karnataka. Journal of the Geological Society of India, 56 (5). 557-571 doi:10.17491/jgsi/2000/560508	3 out of 7 EMPA analysed spots from core to rim of this sample corresponds to columbite-(Mn). The core is columbite-(Mn) and the heavily zoned crystal has compositions alternating between columbite-(Mn), tantalite-(Fe) and columbite-(Fe). The sample is from a pegmatite.
9	" "	Sarbajna, Chanchal; Krishnamurthy, P.; Paul, A.K.; Banerjee, D.C. (2000) Mineralogical and Chemical Characteristics of Complexly-Zoned Columbite-Tantalite from the Rare Metal Pegmatites of Southern Karnataka. Journal of the Geological Society of India, 56 (5). 557-571 doi:10.17491/jgsi/2000/560508	This zoned sample show a distinct compositional change from a tantalite-(Mn) core to a columbite-(Fe) rim. The sample is from a pegmatite.
10	Palelni mine, Khetchel village, Molo quarter, Momeik Township, Kyaukme District, Shan State, Myanmar	Pavel M. Kartashov analytical data (2018), S. Ellenberger material
11	" "	Pavel M. Kartashov analytical data (2018), S. Ellenberger material
12	Ambatonapetraka pegmatites, Mangarano, Antsirabe II District, Vakinankaratra, Madagascar	Ranorosoa, Nadine (1986) Thèse de doctorat de L'Université Paul Sabatier, Toulouse. Étude minéralogique des pegmatites du champ de la Sahatany, Madagascar, 1-240	"Niobite mangan
13	Nanyangshan 703 deposit, Nanyangshan pegmatite field, Lushi County, Sanmenxia, Henan, China	Qu, Kai; Ni, Pei; Fan, Guang; Li, Guowu; Wang, Yanjuan (2023) Stibiotantalite from the Nanyangshan LCT Pegmatite, North Qinling Orogen, Central China: Occurrence and New Data on its Crystal Chemistry. The Canadian Journal of Mineralogy and Petrology, 61 (5). 965-977 doi:10.3749/2300018	empirical formula basis: 4 oxygen apfu

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Year	Locality	Temp (K)
0008845	Columbite-(Mn)	Tarantino S C, Zema M, Pistorino M, Domeneghetti M C (2003) High-temperature X-ray investigation of natural columbites Physics and Chemistry of Minerals 30 590-598	2003	Kragero, Norway	293
0008842	Columbite-(Fe)	Tarantino S C, Zema M, Pistorino M, Domeneghetti M C (2003) High-temperature X-ray investigation of natural columbites Physics and Chemistry of Minerals 30 590-598	2003	San Jose de Safira, Minas Gerais, Brazil	293
0018628	Tantalite-(Mn)	dos Santos C A, Zawislak L I, Kinast E J, Antonietti V, da Cunha J B M (2001) Crystal chemistry and structure of the orthorhombic (Fe,Mn)(Ta,Nb)2O6 family of compounds Brazilian Journal of Physics 31 616-631	2001	Brazil	293
0018629	Columbite-(Fe)	dos Santos C A, Zawislak L I, Kinast E J, Antonietti V, da Cunha J B M (2001) Crystal chemistry and structure of the orthorhombic (Fe,Mn)(Ta,Nb)2O6 family of compounds Brazilian Journal of Physics 31 616-631	2001	Brazil	293
0005131	Tantalite-(Mn)	Grice J D, Ferguson R B, Hawthorne F C (1976) The crystal structures of tantalite, ixiolite and wodginite from Bernic lake, Manitoba I. Tantalite and ixiolite The Canadian Mineralogist 14 540-549	1976	Bernic lake, Manitoba, Canada	293
0015749	Stibiotantalite	Dihlstrom K (1938) Uber den bau des wahren antimontetroxyds und des damit isomorphen stibiotantalits, SbTaO4 Zeitschrift fur Anorganische und Allgemeine Chemie 239 57-64	1938	Grande Mesa, California, USA	293
0008846	Columbite-(Mn)	Tarantino S C, Zema M, Pistorino M, Domeneghetti M C (2003) High-temperature X-ray investigation of natural columbites Physics and Chemistry of Minerals 30 590-598	2003	Kragero, Norway	573
0008843	Columbite-(Fe)	Tarantino S C, Zema M, Pistorino M, Domeneghetti M C (2003) High-temperature X-ray investigation of natural columbites Physics and Chemistry of Minerals 30 590-598	2003	San Jose de Safira, Minas Gerais, Brazil	573
0008844	Columbite-(Fe)	Tarantino S C, Zema M, Pistorino M, Domeneghetti M C (2003) High-temperature X-ray investigation of natural columbites Physics and Chemistry of Minerals 30 590-598	2003	San Jose de Safira, Minas Gerais, Brazil	873
0003860	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		293
0003850	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		293
0003849	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		293
0003851	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		293
0003848	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		293
0003847	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		293
0001436	Columbite-(Fe)	Wenger M, Armbruster T, Geiger C A (1991) Cation distribution in partially ordered columbite from the Kings Mountain pegmatite, North Carolina American Mineralogist 76 1897-1904	1991		293
0016267	Columbite-(Fe)	Bordet P, McHale A, Santoro A, Roth R (1986) Powder neutron diffraction study of ZrTiO4, Zr5Ti7O24 and FeNb2O6 _cod_database_code 1008356 Journal of Solid State Chemistry 64 30-46	1986		293
0009323	Tantalite-(Mn)	Klein S, Weitzel H (1976) Magnetische struktur von Mn(Nb0.5Ta0.5)2O6, manganotantalit Acta Crystallographica A32 587-591	1976		293
0001435	Columbite-(Fe)	Wenger M, Armbruster T, Geiger C A (1991) Cation distribution in partially ordered columbite from the Kings Mountain pegmatite, North Carolina American Mineralogist 76 1897-1904	1991		100
0003861	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		773
0003862	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		803
0003864	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		873
0003863	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		873
0003852	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		873
0008847	Columbite-(Mn)	Tarantino S C, Zema M, Pistorino M, Domeneghetti M C (2003) High-temperature X-ray investigation of natural columbites Physics and Chemistry of Minerals 30 590-598	2003		873
0003854	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		923
0003853	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		923
0003865	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		973
0003856	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		973
0003855	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		973
0003867	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		1073
0003866	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		1073
0003858	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		1073
0003857	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		1073
0003859	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		1223

CIF Raw Data - click here to close

Synonyms of Columbite-TantaliteHide

Columbo-Tantalite

Other Language Names for Columbite-TantaliteHide

Simplified Chinese:铌钽铁矿

Common AssociatesHide

Associations Based on Photo Data:

32 photos of Columbite-Tantalite associated with Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
22 photos of Columbite-Tantalite associated with Quartz	SiO₂
15 photos of Columbite-Tantalite associated with Albite	Na(AlSi₃O₈)
12 photos of Columbite-Tantalite associated with Microcline	K(AlSi₃O₈)
10 photos of Columbite-Tantalite associated with Samarskite-(Y)	YFe³⁺Nb₂O₈
7 photos of Columbite-Tantalite associated with Beryl	Be₃Al₂(Si₆O₁₈)
6 photos of Columbite-Tantalite associated with 'Cleavelandite'	Na(AlSi₃O₈)
6 photos of Columbite-Tantalite associated with Topaz	Al₂(SiO₄)(F,OH)₂
4 photos of Columbite-Tantalite associated with Fluornatromicrolite	(Na_1.5Bi_0.5)Ta₂O₆F
4 photos of Columbite-Tantalite associated with Montebrasite	LiAl(PO₄)(OH)

Other InformationHide

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for Columbite-TantaliteHide

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References for Columbite-TantaliteHide

Reference List:

Palache, Charles, Berman, Harry, Frondel, Clifford (1944) The System of Mineralogy (7th ed.) Vol. 1 - Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, New York.

Zhang, A. C., Wang, R. C., Hu, H., Zhang, H., Zhu, J. C., Chen, X. M. (2004) Chemical evolution of Nb-Ta oxides and zircon from the Koktokay No. 3 granitic pegmatite, Altai, northwestern China. Mineralogical Magazine, 68 (5) 739-756 doi:10.1180/0026461046850216

Kinast, E. J., Isnard, O., da Cunha, J. B. M., de Vasconcellos, M. A. Z., dos Santos, C. A. (2011) A new approach for the determination of multiple cation locations and ordering, using the example of natural and heat-treated columbites. Journal of Applied Crystallography, 44 (4). 738-746 doi:10.1107/s0021889811023211

Localities for Columbite-TantaliteHide

Showing 2,007 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the

symbol to view information about a locality. The

symbol next to localities in the list can be used to jump to that position on the map.

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Locality ListHide

- This locality has map coordinates listed.

- This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality.

- Good crystals or important locality for species.

- World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). ~~Struck out~~ - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.


Afghanistan
Badakhshan Fayzabad District ⓘ Talbuzanak pegmatite field	Orris et al. (2002)
Ishkashim District Eshkashim pegmatite field ⓘ Fotur pegmatites	Orris et al. (2002)
Yamgan District ⓘ Kokcha pegmatite field	Orris et al. (2002)
Kapisa Tagab District ⓘ Dara-i-Daram pegmatite field	Orris et al. (2002)
ⓘ Kunar	[Tantalite-(Mn)] various photographs
Chapa Dara District ⓘ Ghursalak Mine	Orris et al. (2002)
Chawkay District ⓘ Chawkay pegmatite field	Orris et al. (2002)
Dara-e-Pech District ⓘ Dara-e-Pech pegmatite field	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] Betts (n.d.)
ⓘ Gursaisk pegmatite	Cocker (2011)
ⓘ Vora Desh	Amir Mohammad Mosazai et al. (2017)
Laghman Alishing District ⓘ Shamakat Pegmatite Field	Orris et al. (2002)
Qarghayi District ⓘ Karbah pegmatite field	Orris et al. (2002)
ⓘ Shahidan pegmatite field	Orris et al. (2002)
Nangarhar Dara-i-Nur District Darrah-e-Nur pegmatite field ⓘ Darrah-e-Nur Mine	Orris et al. (2002)
ⓘ Kashmund Mine	Orris et al. (2002)
Nuristan Kamdesh District ⓘ Pakawalpet pegmatite field	Orris et al. (2002)
ⓘ Paprok	[Stibiotantalite, Tantalite-(Mn)] Lyckberg (2011)
ⓘ Nilaw-Kolum pegmatite field	Poullen et al. (1978)
ⓘ Kolum pegmatites	[Tantalite-(Mn)] Peters et al. (2007)
ⓘ Mawi pegmatite	[Stibiotantalite, Tantalite-(Mn)]
Nurgaram District ⓘ Korgal pegmatite field	[Tantalite-(Mn)] Poullen et al. (1978)
ⓘ Pachigram pegmatite field	Orris et al. (2002)
ⓘ Degha pegmatites	Orris et al. (2002)
ⓘ Tsanigal pegmatites	Orris et al. (2002)
Panjshir Bazarak District ⓘ Panjsher valley pegmatite field	Orris et al. (2002)
Parwan Salang District ⓘ Salang pegmatite field	Orris et al. (2002)
ⓘ Sumte Shahmir pegmatite field	Orris et al. (2002)
ⓘ Taghma pegmatite field	Orris et al. (2002)
Takhar Warsaj District ⓘ Kalagush pegmatite field	Orris et al. (2002)
Wardak Markazi Bihsud District ⓘ Dordang pegmatite field	Orris et al. (2002)

Algeria
In Guezzam Province In Guezzam District Laouni ⓘ Tamazaror	[Tantalite-(Mn)]

Angola
Namibe Province Moçâmedes Giraúl pegmatite field ⓘ Type IV pegmatites	[Columbite-(Fe), Stibiocolumbite, Stibiotantalite, Tantalite-(Mn)] Antonio Olimpio Gonçalves et al. (2009) +1 other reference
ⓘ Type V pegmatites	[Stibiocolumbite, Stibiotantalite] Gonçalves et al. (2019)

Antarctica
East Antarctica Enderby Land Napier Complex ⓘ Casey Bay	Grew (1981) +1 other reference

Argentina
Catamarca Province Sierra de Ancasti El Portezuelo ⓘ El Portezuelo Granite	[Columbite-(Fe)] COLOMBO +1 other reference
Córdoba Province Calamuchita Department Cañada de Álvarez District Las Caleras Commune ⓘ Cañada de Álvarez pegmatite district	Tourmaline (extraLapis English, # 3, 2002)
Río de Los Sauces District ⓘ Angel Mine	[Columbite-(Mn)] Demartis et al. (2014)
Cruz del Eje department Candelaria District ⓘ Gigante pegmatite	[Columbite-(Fe)] Minerals acquired from Mr. Nelson ...
Punilla Department San Roque District Tanti Cerro Blanco pegmatite district ⓘ El Criollo Mine	[Columbite-(Fe)] American Mineralogist (1978) +1 other reference
La Rioja Province Sanagasta department ⓘ La Chinchilla granite	[Columbite-(Fe)] Bardelli et al. (2018)
Salta Province Cachi Department Nevado de Palermo ⓘ El Quemado mining district	[Columbite-(Mn), Tantalite-(Mn)] López de Azarevich et al. (2021)
La Poma Department El Quemado mining district ⓘ La Elvirita deposit	[Columbite-(Mn), Tantalite-(Mn)] Galliski et al. (2001)
San Luis Province Coronel Pringles Department El Trapiche La Florida ⓘ San Luis Mine	[Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] Galliski et al. (2011)
ⓘ San Luis II pegmatite	[Tantalite-(Mn)] Cerny et al. (2003)
Estancia Grande Las Águilas deposit ⓘ Virorco pegmatites	[Columbite-(Mn), Tantalite-(Mn)] Galliski et al. (2012)
Totoral pegmatitic field ⓘ Independencia Argentina pegmatite	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe)] Galliski et al. (2015)
San Martín Department ⓘ María Elena pegmatite	[Columbite-(Mn)] Galliski et al. (2009) +1 other reference
Sierra de Comechingones Comechingones Pegmatitic field ⓘ Ángel pegmatite	[Tantalite-(Mn)] Demartis et al. (2011)
Santiago del Estero Province Ojo de Agua Department ⓘ Jasimampa prospect	[Columbite-(Fe)] Franchini et al. (2005)

Australia
New South Wales Farnell Co. Byjerkerno Creek ⓘ Trident Mine	Burton (1996, January)
Northern Territory ⓘ Bynoe Pegmatite Field	Rawlings (2016)
Queensland City of Mount Isa ⓘ Mica Creek	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe)] Costas Constantinides collection
Tablelands Region Kinrara National Park ⓘ Lava Plains	[Columbite-(Fe)] Sutherland
South Australia Pastoral Unincorporated Area Boolcoomatta Reserve (Boolcoomata Station) ⓘ Wiperaminga Hill West Quarry	[Columbite-(Fe)] Elliott et al. (2026)
Moolawatana Station (Moolawatana) Mt Babbage area (Inlier) ⓘ Yerila gneissic complex	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe)] PA Wulser - unpublished data
Umberatana Umberatana Diatreme ⓘ Tourmaline Hill granite pegmatites	[Columbite-(Mn), Tantalite-(Mn)] mentioned references in description
Tasmania Northern Midlands municipality Rossarden mining district ⓘ Aberfoyle Mine (Aberfoyle Tin Mine; Rossarden Tin Mine)	[Columbite-(Mn)] R Botttrill
Victoria East Gippsland Shire Glen Valley ⓘ Blue Jacket Tin Mine (Blue Jacket Reef)	[Columbite-(Fe), Tantalite-(Mn)] Personally collected by Ryan Eagle in ...
ⓘ Knocker dyke (South Blue Jacket)	[Columbite-(Fe)] Eagle et al. (2015)
ⓘ Unnamed Pegmatite	Personally collected by Ryan Eagle in ...
Glen Wills ⓘ Proprietary Tin Mine	Eagle (2009)
Sunnyside goldfield ⓘ United Brothers mine	Eagle (2009)
Western Australia Bridgetown-Greenbushes Shire ⓘ Greenbushes Mine	Ben Grguric
ⓘ Enterprise Mine	[Stibiotantalite] von Knorring et al. (1963)
ⓘ Greenbushes Mine	[Columbite-(Fe), Columbite-(Mn), Stibiotantalite, Tantalite-(Mn)] The Canadian Mineralogist
ⓘ Greenbushes Sn placers	[Stibiotantalite] von Knorring et al. (1963) +1 other reference
Coolgardie Shire Binneringie Station ⓘ Binneringie Tantalite (Bald Hill pegmatites; Woodline pegmatites)	[Tantalite-(Fe)] minedex
Coolgardie ⓘ Ubini Pegmatite	[Tantalite-(Mn)] Simpson (1948)
Gibraltar Goldfield ⓘ Lloyd George Gold Mine	[Columbite-(Mn)] Simpson (1948)
ⓘ Lord Bob Gold Mine	[Columbite-(Fe)] Western Australian Mines Department (1947)
ⓘ Nepean	[Columbite-(Mn)] Keith Compton collection
ⓘ Londonderry Li deposit	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] Jacobson (1997)
ⓘ Tantalite Hill pegmatite (Mercer's Find)	[Tantalite-(Mn)] Jacobson et al. (2007)
Spargoville ⓘ Giles Columbite-Beryl Pegmatite (Giles Prospect)	[Columbite-(Fe)] Min News 20:6 pp1
ⓘ Mount Marion pegmatites	[Tantalite-(Mn)] Jacobson et al. (2007) +2 other references
Cue Shire Coodardy Station ⓘ Coodardy pegmatite field	[Columbite-(Mn)] Jacobson et al. (2007) +2 other references
ⓘ Poona	[Tantalite-(Fe)] Marshall et al. (2016)
ⓘ Aga Khan Mine	[Columbite-(Fe)] - (2002)
ⓘ Emerald Pool mine (Emerald Gem mine; East Poona mine)	[Tantalite-(Fe)] Marshall et al. (2016)
Derby-West Kimberley Shire Napier Downs Station ⓘ Clara Hill	[Tantalite-(Fe)] minedex
Donnybrook-Balingup Shire Balingup ⓘ Ferndale pegmatite	[Columbite-(Fe)] - (Perth 2007) +2 other references
East Pilbara Shire Marble Bar ⓘ Moolyella pegmatite field	[Columbite-(Mn), Tantalite-(Mn)] E.S. Simpson +2 other references
Pilgangoora ⓘ Green's Well pegmatite (Green's Tank)	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] Jacobson et al. (2007)
ⓘ MC80	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] Jacobson et al. (2007)
ⓘ Thelemann's Claim	[Tantalite-(Mn)] Jacobson et al. (2007)
ⓘ Wagon Wheel Patch (MC131)	[Tantalite-(Mn)] Jacobson et al. (2007)
ⓘ Pilgangoora pegmatites	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] Jacobson et al. (2007)
Shaw River District ⓘ Cooglegong pegmatite field	[Columbite-(Mn)] Jacobson et al. (2007) +2 other references
ⓘ Tabba Tabba pegmatite (Tabba Tabba Tantalum Mine)	[Columbite-(Mn), Tantalite-(Mn)] Fetherston (2004)
Halls Creek Shire ⓘ Cummins Range complex (Minneroo Pool)	[Columbite-(Fe)] Downes et al. (2014)
Leonora Shire Yakabindie Station ⓘ Main Road tin pegmatite (Kathleen pegmatite; MC34 pegmatite)	[Tantalite-(Mn)] Jacobson et al. (2007) +2 other references
Port Hedland Shire Abydos Station ⓘ Pinga Creek pegmatite field	[Columbite-(Mn)] Simpson (1928) +1 other reference
ⓘ Leeds Tin Find (Hall's Tin Find; Pinga Tin Mine)	[Columbite-(Mn)] Simpson (1948)
Wodgina ⓘ Beryl Group	[Columbite-(Mn)] Sweetapple et al. (2001)
ⓘ Lewis Rock Hole pegmatite	[Tantalite-(Mn)] Jacobson et al. (2007)
ⓘ Mount Cassiterite	[Columbite-(Mn), Tantalite-(Mn)] Sweetapple et al. (2001) +1 other reference
ⓘ Wodgina Tantalite Mine (Wodgina pegmatite; Main tantalite dyke)	[Columbite-(Mn), Tantalite-(Mn)] Simpson (1928)
Mugarinya Community ⓘ Mount Francisco	[Columbite-(Mn), Tantalite-(Mn)] Jacobson et al. (2007)
ⓘ Congo	[Columbite-(Mn)] Jacobson et al. (2007)
ⓘ Hooley & Co.	[Columbite-(Mn)] Jacobson et al. (2007)
Strelley Station ⓘ Strelley pegmatite	[Tantalite-(Mn)] Jacobson et al. (2007)
Wallareenya Station ⓘ Bore Creek	[Tantalite-(Fe)] minedex
Ravensthorpe Shire ⓘ Cocanarup pegmatite field	[Columbite-(Mn)] Jacobson et al. (2007)
ⓘ Ravensthorpe	[Columbite-(Mn), Stibiotantalite, Tantalite-(Mn)] Jacobson et al. (2007)
ⓘ Mount Cattlin Mine	[Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] Jacobson et al. (2007)
Upper Gascoyne Shire Yinnietharra ⓘ Arthur River pegmatites	[Columbite-(Fe), Tantalite-(Fe), Tantalite-(Mn)] Jacobson et al. (2007) +1 other reference
ⓘ Bismuth Hill (The Cairn)	[Columbite-(Fe)] Jacobson et al. (2007) +2 other references
ⓘ Cairn Mining Centre	[Columbite-(Fe)] Jacobson et al. (2007) +2 other references
ⓘ Williamson's Beryl Mine	[Columbite-(Mn)] Jacobson et al. (2007)
ⓘ Kempton Brothers Beryl Mine ?	[Columbite-(Fe)] R Bottrill collection (unconfirmed) +3 other references
ⓘ Nardoo Hill (Beryl Hill)	[Columbite-(Fe), Tantalite-(Fe)] Jacobson et al. (2007)
ⓘ Nardoo Well pegmatites	[Columbite-(Mn)] Jacobson et al. (2007) +2 other references
ⓘ New Well pegmatites	[Columbite-(Mn)] Jacobson et al. (2007) +2 other references
ⓘ North Morrissey Hill pegmatite group	[Columbite-(Mn)] Hesperian Press +2 other references
Yalgoo Shire ⓘ Mount Farmer Mine (Niobe prospect)	[Columbite-(Mn), Tantalite-(Mn)] Calderwood +2 other references
Noongal Station ⓘ Harrison's Reward	[Columbite-(Mn)] Simpson (1948)
Paynes Find ⓘ Mount Edon	[Tantalite-(Mn)] Pegamtites of Western Australia +2 other references
Yilgarn shire Mount Holland pegmatite field ⓘ Forrestania Rubellite pegmatite	[Columbite-(Fe), Stibiotantalite, Tantalite-(Mn)] - (Perth 2007) +2 other references

Austria
Carinthia Spittal an der Drau District Millstatt lake ⓘ Laggerhof	[Columbite-(Fe)] Carinthia II (2012) +1 other reference
Spittal an der Drau Lieser ravine ⓘ Lippnik feldspar quarry	[Tantalite-(Fe)] Walter (1998)
Wolfsberg ⓘ Feldspar quarry	[Columbite-(Fe), Tantalite-(Fe)] Niedermayr et al. (1995)
Wolfsberg District Frantschach-Sankt Gertraud Brandrücken ⓘ Spodumene prospect	[Columbite-(Fe)] Č +2 other references
ⓘ Grillitschhütte	[Columbite-(Fe)] Niedermayr et al. (1995)
Lower Austria Horn District Gars am Kamp Maiersch ⓘ Doppelbachgraben (Tobelbachgraben)	[Columbite-(Fe), Columbite-(Mn)] Kolitsch (2018)
Krems-Land District Mühldorf ⓘ Bengelbach (incl. Mitterfeld)	[Columbite-(Mn)] Kolitsch (2019)
Paudorf Meidling ⓘ Granulite quarry (Asamer quarry; Wanko gravel works)	[Columbite-(Fe), Columbite-(Mn)] Kolitsch et al. (2023)
Spitz ⓘ Huthof ("Am Hut"; Buchberg)	[Columbite-(Fe)] HEHENBERGER (1996)
ⓘ Radlbachtal (Radlgraben; Huthof)	[Columbite-(Fe)] HEHENBERGER (1996)
ⓘ Windeckberg	[Columbite-(Fe)] Kolitsch et al. (2020)
Weinzierl am Walde ⓘ Blocherleitengraben	[Columbite-(Fe), Columbite-(Mn)] Kolitsch (2017)
Melk District Weiten ⓘ Weiterndorf	[Columbite-(Fe)] Kolitsch (2016)
Waidhofen an der Thaya District Raabs an der Thaya Eibenstein an der Thaya ⓘ Hengl quarry	[Columbite-(Mn)] Kolitsch et al. (2020)
Zwettl District Kottes-Purk Fohra ⓘ Trastallhof	[Columbite-(Fe), Columbite-(Mn)] Löffler et al. (2018)
Styria Deutschlandsberg District Deutschlandsberg Wildbachgraben ⓘ Gupper quarry	[Columbite-(Fe)] Postl et al. (1979)
Upper Austria Freistadt District Pregarten ⓘ Meitschenhof	[Columbite-(Fe)] Arthofer (2005)
Grieskirchen District Pram ⓘ Pram river	[Tantalite-(Fe)] Boehringer (2026)
Perg District Luftenberg an der Donau ⓘ Luftenberg quarries (Steininger quarry)	[Columbite-(Fe)] Meixner (1977) +1 other reference

Benin
Collines Department Ouèssè Commune ⓘ Toumi coltan diggings	[Columbite-(Mn)] Wolfgang Hampel

Bolivia
Santa Cruz Ñuflo de Chavez Province ⓘ La Bella	[Columbite-(Mn)] EDS Analysis Frank Keutsch
ⓘ La Verde Mine (Mina Verde)	[Columbite-(Fe)] Federico Ahlfeld and Alejandro Schneider-Scherbina (1964)
ⓘ Miramica Mine	[Columbite-(Mn)] RRUFF specimen
ⓘ Ñuflo de Chavez mine	[Columbite-(Fe)] Dr. Fritz Berndt analysis.
San Agustín ⓘ La Negra mine (Miramonte Mine)	[Columbite-(Fe)] Petrov (n.d.)
San Ramón ⓘ El Paraíso Mine	[Columbite-(Fe)] Josep Sanchez-laFuente (INTAN S.L.)

Brazil
Amazonas Presidente Figueiredo Pitinga mine ⓘ Madeira pluton	[Columbite-(Mn)] Hadlich et al. (2024)
Bahia ⓘ Itambé	Morteani et al. (2000)
Ceará Icó Icozinho ⓘ Icozinho pegmatite	[Columbite-(Fe)] Revista Brasileira de Geociências 21 (1)
Santa Quitéria ⓘ Itataia U deposit	Forman et al. (1981)
Tauá ⓘ Fazenda Boa Esperança	- (2002)
Goiás Catalão ⓘ Boa Vista mine	Romanian Journal of Mineral Deposits (1)
ⓘ Catalão II carbonatite complex	Bilal et al. (2012)
Teresina de Goiás ⓘ Sucuri massif	Miranda (2018)
ⓘ Mata Azul pegmatitic field	[Columbite-(Fe)] Queiroz (2016)
Minas Gerais Conselheiro Pena Barra do Cuieté ⓘ Urucum claim	[Stibiotantalite] Petrov (n.d.) +1 other reference
Coronel Murta ⓘ Morro Redondo mine	[Tantalite-(Fe)] Richard Dale Collection
ⓘ Divinésia	[Columbite-(Fe)] Leonardo
Divino das Laranjeiras Linópolis ⓘ João Firmino claim	Rica (2019)
ⓘ Pomarolli farm	[Tantalite-(Fe)] Collection of Michael G. Shaw
ⓘ Telírio claim	Cassedanne (1983)
Galiléia Laranjeiras ⓘ Ênio claim	[Columbite-(Fe)] Cassedanne et al. (1981)
Sapucaia do Norte ⓘ Sapucaia mine	Cassedanne et al. (1999)
ⓘ Goiabeira	[Tantalite-(Mn)] Richard Dale Collection
Governador Valadares Golconda mining district ⓘ Faria claim	[Columbite-(Fe)] Menezes (n.d.)
ⓘ Ipê mine	[Columbite-(Fe), Tantalite-(Mn)] Jessica Simonoff photo
ⓘ Golconda pegmatite field	[Columbite-(Fe), Tantalite-(Fe), Tantalite-(Mn)] Josef Vajdak (Peque Rare Minerals)
Itinga Monte Belo ⓘ Urubu mine	Cassedanne et al. (1981)
Taquaral Piauí valley ⓘ Cachoeira mine	[Columbite-(Fe), Tantalite-(Fe)] Dias et al. (2015)
ⓘ Gonçalves mine ?	[Columbite-(Mn)] Sergio Varvello collection
ⓘ Maxixe claim	Quéméneur et al. (1999)
ⓘ Ponte do Piauí claim	[Columbite-(Mn)] Luis Menezes
Jaguaraçu ⓘ Jaguaraçu pegmatite	[Columbite-(Fe)] Cassedanne et al. (1994)
Malacacheta ⓘ São Pedro claim	[Columbite-(Fe)] Fabre (n.d.)
ⓘ Nazareno	- (n.d.)
ⓘ Volta Grande mine (Mibra mine)	[Tantalite-(Mn)] Andrade et al. (2013)
Sabinópolis ⓘ Grota da Generosa mine	[Columbite-(Fe)] Ricardo Scholz
São José da Safira ⓘ Cruzeiro mine	Cassedanne et al. (1980)
ⓘ Teófilo Otoni	[Columbite-(Fe)] dan weinrich +1 other reference
ⓘ Virgem da Lapa	Sauer (1982)
ⓘ Xanda mine	various added photos
Pará São Félix do Xingu ⓘ Mocambo Granite	Barros Neto et al. (2020)
Paraíba Frei Martinho ⓘ Esperas pegmatite	Fernandes et al. (2022)
ⓘ Mourão pegmatite	[Columbite-(Fe)] Beurlen et al. (2008)
Quixaba ⓘ Alto Quixaba claim	[Tantalite-(Mn)] SOARES et al. (2000) +2 other references
Junco do Seridó ⓘ Alto Manoel Balduino claim	[Tantalite-(Mn)] analysis of the Jacques Cassedanne sample 1559 (ref. analysis 2023sem62)
ⓘ Unha de Gato pegmatite	Fernandes et al. (2022)
Nova Palmeira ⓘ Corredor pegmatite	[Columbite-(Fe)] Beurlen et al. (2008)
ⓘ Roncadeira pegmatite	[Columbite-(Fe), Tantalite-(Fe)] Beurlen et al. (2008) +1 other reference
ⓘ Serraria pegmatite	[Columbite-(Mn)] Beurlen et al. (2005) +1 other reference
Pedra Lavrada ⓘ Alto Feio	[Columbite-(Fe)] Beurlen et al. (2008)
ⓘ Alto Patrimônio pegmatite	[Tantalite-(Mn)] Murdoch (1955)
ⓘ Barra das Flechas pegmatite	Fernandes et al. (2022)
Serra Branca pegmatite ⓘ Ponto pegmatite	Fernandes et al. (2022)
Picuí ⓘ Alto da Onça pegmatite (Saco do Cardeiro)	Fernando Brederodes Collection
ⓘ Besouro pegmatite	Fernandes et al. (2022)
ⓘ Caiçara pegmatite	[Columbite-(Mn), Tantalite-(Mn)] Beurlen et al. (2008)
ⓘ Cortume pegmatite	[Columbite-(Fe), Columbite-(Mn)] Beurlen et al. (2008)
Tenório ⓘ Seridozinho pegmatite	[Columbite-(Mn), Tantalite-(Mn)] Beurlen et al. (2008)
Vieirópolis Vieirópolis pegmatite field ⓘ Serra Branca amazonite pegmatite	[Columbite-(Mn)] e Souza et al. (2020)
Rio Grande do Norte Acari ⓘ Pitombeira pegmatite	[Columbite-(Fe)] Beurlen et al. (2008)
Bodó ⓘ Lagoinha I pegmatite	Fernandes et al. (2022)
Carnaúba dos Dantas ⓘ Azevedo pegmatite	Fernandes et al. (2022)
ⓘ Malacacheta pegmatite	Fernandes et al. (2022)
ⓘ Pelado pegmatite	Fernandes et al. (2022)
ⓘ Salgadinho pegmatite	Fernandes et al. (2022)
ⓘ Taboa pegmatite	[Columbite-(Fe), Columbite-(Mn)] Beurlen et al. (2008)
ⓘ Tira Ceroulas pegmatite	Fernandes et al. (2022)
Equador ⓘ Alto das Furnas claim	[Columbite-(Mn), Tantalite-(Mn)] Färber et al. (2011)
ⓘ Alto do Giz pegmatite	[Columbite-(Mn), Stibiotantalite, Tantalite-(Mn)] Beurlen et al. (2008)
ⓘ Alto do Jacu	[Columbite-(Mn)] Lavinsky (n.d.)
ⓘ Amâncio pegmatite	[Columbite-(Mn), Tantalite-(Mn)] Beurlen et al. (2008)
ⓘ Bulandeira mine	Fernandes et al. (2022)
ⓘ Fazenda Turmalina pegmatite	[Columbite-(Fe)] Beurlen +3 other references
ⓘ Mamões pegmatite	[Columbite-(Fe), Tantalite-(Mn)] Baumgartner et al. (2006)
ⓘ Riacho da Vaca pegmatite	Fernandes et al. (2022)
Parelhas ⓘ Alto dos Quintos Mine	[Columbite-(Mn)] Fernandes et al. (2022)
ⓘ Boqueirão pegmatite	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] Strmić Palinkaš +5 other references
ⓘ Capoeira 1 pegmatite (Boqueirãozinho pegmatite)	[Columbite-(Mn)] Baumgartner et al. (2006)
ⓘ Capoeira 2 pegmatite (Mulungu pegmatite)	[Columbite-(Mn)] Beurlen +3 other references
ⓘ Carcará pegmatite	[Tantalite-(Fe)] Beurlen et al. (2008)
ⓘ Carnaúbinha pegmatite	[Columbite-(Fe)] Baumgartner et al. (2006)
ⓘ Combi pegmatite	[Columbite-(Fe)] Baumgartner et al. (2006)
ⓘ Gregorio pegmatite	Fernandes et al. (2022)
ⓘ Malhada Vermelha pegmatite	[Columbite-(Mn)] Baumgartner et al. (2006)
ⓘ Pagão pegmatite	Fernandes et al. (2022)
ⓘ Pais da Lua pegmatite	Fernandes et al. (2022)
ⓘ Trigero 1 pegmatite	[Columbite-(Mn)] Baumgartner et al. (2006)
ⓘ Túneis pegmatite	[Tantalite-(Mn)] Beurlen et al. (2008)
Rondônia Ariquemes ⓘ Bom Futuro mine	Dias (2012)

Bulgaria
Pazardzhik Province Velingrad Municipality ⓘ Grantcharitsa tungsten deposit	[Columbite-(Fe)] Tarassov et al. (2022)

Burundi
Cibitoke Province ⓘ Butara	[Columbite-(Fe)] The Royal Museum for Central Africa (RMCA) +1 other reference
ⓘ N'Dora	[Columbite-(Fe)] Melcher et al. (2015)
ⓘ Pic N'Dora	Royal Museum for Central Africa
SW Cibitoke B ⓘ Ruhanga	[Columbite-(Mn), Tantalite-(Mn)] Melcher et al. (2015)

Cambodia
Pailin Province ⓘ Pailin District	[Columbite-(Fe)] Filina et al. (2019)

Cameroon
North Region Mayo-Rey Tcholliré ⓘ Mayo Salah pluton	[Columbite-(Mn)] Fosso Tchunte et al. (2018) +1 other reference

Canada
British Columbia Fort Steele Mining Division Kimberley St. Mary Lake ⓘ Hellroaring Creek Intrusive Complex ?	personal correspondence with Giles Peatfield (see comments)
Golden Mining Division ⓘ KIN property	[Columbite-(Fe)] Caudle +1 other reference
Kamloops Mining Division Blue River carbonatites ⓘ Fir carbonatite	[Columbite-(Fe)] Chudy T et al. (2014)
ⓘ Verity claim	[Columbite-(Fe)] George J. Simandl (2001)
ⓘ Specimen pit	[Columbite-(Fe)] Blue River Carbonatites et al. (http://www.commerceresources.com/i/pdf/05-BCGOVRREPORT.pdf)
Omineca Mining Division Williston Lake ⓘ Aley Deposit (Aley Creek Carbonatite Complex)	[Columbite-(Fe)] Taseko
Revelstoke Mining Division Boulder Mountain Pegmatite Group ⓘ Prof pegmatite	[Columbite-(Mn)] Breasley et al. (2024)
ⓘ Mount Copeland ?	Peatfield (n.d.)
Revelstoke ⓘ Mount Begbie	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] Dixon et al. (2014)
Manitoba ⓘ Bear lake	Bannatyne (1985)
ⓘ BEP Pegmatite	[Columbite-(Mn)] Černá et al. (2002)
Cross Lake North Group ⓘ Pegmatite 36	[Columbite-(Mn)] Alan Anderson M.Sc. Thesis
South Group ⓘ Pegmatite 9	[Columbite-(Mn)] Alan Anderson M.Sc. Thesis
Falcon Lake ⓘ Molly Claim	Bannatyne (1985)
Lac-du-Bonnet area Bernic Lake ⓘ Buck claim	[Columbite-(Fe), Tantalite-(Mn)] Econ Geol (1995)
ⓘ Pegli pegmatite	[Columbite-(Fe), Columbite-(Mn)] Econ Geol (1995)
ⓘ Tanco Mine	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] 153-155. +1 other reference
Cat Lake - Winnipeg River pegmatite field Donner Lake ⓘ High Grade Dyke pegmatite (High-Grade Dike pegmatite)	Bannatyne (1985)
ⓘ Huron Claim pegmatite	[Columbite-(Fe)] Paul (1984) +1 other reference
ⓘ Unnamed pegmatites	[Tantalite-(Mn)] Bannatyne (1985)
Greer Lake ⓘ Annie Claim #3 pegmatite	[Columbite-(Mn), Tantalite-(Mn)] Bannatyne (1985) +1 other reference
ⓘ GL12A pegmatite	Bannatyne (1985)
ⓘ Silver Leaf pegmatites	[Tantalite-(Mn)] Camacho et al. (2012)
Whiteshell Park ⓘ Huron pegmatite	Bannatyne (1985)
Shatford Lake ⓘ Shatford Lake pegmatites	[Columbite-(Fe)] [AmMin 85:1324]
Red Cross Lake ⓘ Red Cross Lake pegmatites	[Stibiotantalite, Tantalite-(Mn)] Xianjue Wang et al. (2002) +1 other reference
New Brunswick Charlotte Co. Saint George Parish ⓘ Pleasant Ridge pluton	Taylor (1992)
Northwest Territories ⓘ Blachford Lake alkaline complex	[Columbite-(Fe)] Feng et al. (2015)
ⓘ Thor Lake syenite complex	[Columbite-(Fe)] Sheard et al. (2012)
North Slave Region Blachford Lake alkaline complex Thor Lake syenite complex ⓘ Nechalacho deposit	[Columbite-(Fe)] Pinckston et al. (1995) +3 other references
O'Grady Lake area O'Grady Batholith ⓘ Stargazer Claim	[Stibiocolumbite] Ercit et al. (2003)
Yellowknife Pegmatite field ⓘ Blatchford Lake	Northern Mineral Showings Database
ⓘ Moose II pegmatite (ELK; Beck; DeStaffany)	[Columbite-(Fe), Tantalite-(Fe)] Anderson et al. (2013)
ⓘ Peg Tantalum	Silke (2009)
ⓘ Redout Lake Pegmatite	[Columbite-(Fe)] Wise et al. (1990)
ⓘ Van Dyke	Northern Mineral Showings Database
Nova Scotia Lunenburg Co. New Ross ⓘ Keddy prospect (Lantz pegmatite; Keddy pegmatite)	[Columbite-(Fe)] O'Reilly et al. (1982)
Pictou Co. ⓘ Georgeville	[Columbite-(Fe), Columbite-(Mn)] Hay (2000)
Nunavut ⓘ Chantrey Inlet pegmatite field	[Columbite-(Fe), Tantalite-(Fe)] P.B. Tomascak et al. (1994)
Qikiqtaaluk Region Baffin Island Foxe pegmatite field ⓘ PLEX pegmatite	[Columbite-(Fe), Columbite-(Mn)] P.B. Tomascak et al. (1994)
Ontario Kenora District Lilypad Lakes pegmatites Ferguson Lake Area ⓘ Pollucite Dike	[Tantalite-(Mn)] J.C. Pedersen (2000)
Opikeigan Lake Area ⓘ Rubellite Dike	[Tantalite-(Mn)] J.C. Pedersen (2000)
Pakeagama Lake Area PAK Lithium Project ⓘ Pakeagama Lake pegmatite	[Columbite-(Fe), Columbite-(Mn), Stibiotantalite, Tantalite-(Fe), Tantalite-(Mn)] Breaks
Paterson Lake Area ⓘ Big Whopper pegmatite	Pedersen et al. (2002)
ⓘ Marko’s pegmatite	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] ontariominerals.com +2 other references
Raleigh Lake Area ⓘ Raleigh Lake pegmatites	[Tantalite-(Mn)]
Root Lake pegmatite group Root Lake Area ⓘ Consolidated Morrison pegmatite	[Columbite-(Mn)] Ontario Ministry of Northern ...
ⓘ McCombe pegmatites	[Columbite-(Mn), Tantalite-(Mn)] Tindle et al. (2005)
ⓘ Separation Rapids Lithium Project (Separation Lake area)	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] Avalon Advanced Materials Inc.
Skinner Lake Area ⓘ Musselwhite Mine	[Columbite-(Fe), Tantalite-(Mn)] Taylor et al. (2001)
Zealand Township ⓘ Taylor #2 pegmatite	Brand et al. (2009)
Nipissing District Butt Township ⓘ Ryan Mann and Sheehan claims	[Columbite-(Fe)] Ercit (1994)
ⓘ Sheehan beryl occurrence	[Columbite-(Fe)] Ercit (1994)
Parry Sound District Chapman Township ⓘ Blue Star mine	[Columbite-(Mn)] Ercit (1994)
Renfrew County Brudenell-Lyndoch-and-Raglan Lyndoch Township ⓘ Quadeville area	[Columbite-(Fe)] Josef Vajdak (2008)
ⓘ Beryl Pit	[Columbite-(Fe)] Ulrike Kullik specimen (ID by EDS at ROM) +1 other reference
ⓘ Rose Quartz Pit	[Columbite-(Fe)] Pit owers (pers. comm.) +2 other references
Québec Abitibi-Témiscamingue Abitibi RCM La Corne ⓘ Massberyl Occurrence	Sabina (2003) +1 other reference
ⓘ North American Lithium mine	Sabina (2003)
La Motte ⓘ Colombe Mine (Authier Mine; La Motte Lithium Occurrence)	Sabina (2003) +1 other reference
Preissac–La Corne area ⓘ Aplites	Mvondo et al. (2026)
ⓘ Pegmatites	Mvondo et al. (2026)
Témiscamingue RCM Lac Sairs ⓘ Lac Sairs Amazonite Occurrence	[Columbite-(Mn)] Sabina (2007) +1 other reference
Montérégie La Vallée-du-Richelieu RCM Mont Saint-Hilaire ⓘ Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH)	[Columbite-(Fe), Columbite-(Mn)] HORVÁTH et al. (2000)
Nord-du-Québec Jamésie Baie-James ⓘ Lac Moblan pegmatite	Potter
Nunavik ⓘ Eldor Carbonatite Complex (Eldor carbonatite)	[Columbite-(Fe)] Laferrière (2011)
ⓘ Misery Lake alkaline complex	[Columbite-(Fe)] Petrella (2013)
ⓘ Qalluviartuuq Intrusive Complex	[Columbite-(Fe)] Pierre-Alain Wulser
Outaouais Les Collines-de-l'Outaouais RCM Val-des-Monts Saint-Pierre-de-Wakefield Lake Saint-Pierre ⓘ Leduc Mine	[Columbite-(Mn)] Hilderley et al. (2006)

China
Anhui Huangshan She Co. ⓘ Huangshan pluton	[Columbite-(Fe)] Duan et al. (2025)
Lu'an Jinzhai County ⓘ Shapinggou Mo deposit	[Columbite-(Fe)] Huaidong Zhang et al. (2012)
Fujian Nanping Yanping District Nanping pegmatite field ⓘ Pegmatite No. 31	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] Can Rao et al. (2009) +2 other references
Gansu Jiuquan Guazhou Co. ⓘ Guobaoshan Rb deposit	[Columbite-(Mn), Tantalite-(Mn)] Chen et al. (2022)
Guangdong Qingyuan Lianzhou City (Lian Co.) ⓘ Nb-Ta deposit No. 531	Zhenhai Wang (2000)
ⓘ Wenjindong Nb-Ta deposit	Zhenhai Wang (2000)
Yangshan County ⓘ Da'ao Nb-Ta deposit	Zhenhai Wang (2000)
Zhaoqing Guangning County ⓘ Hongshan Mine	[Columbite-(Fe)] Smith et al. (2005)
Guangxi Guilin Gongcheng Co. ⓘ Limu Ta-Sn ore field	[Columbite-(Fe)] Hui Li et al. (1983)
ⓘ Jinzhuyuan Mine	[Tantalite-(Mn)] Zhu et al. (2001)
ⓘ Laohutou Mine	[Tantalite-(Mn)] Zhu et al. (2001)
ⓘ Shuiximiao Mine	[Columbite-(Mn), Tantalite-(Mn)] Pengfei Zhou et al. (2009)
Quanzhou Co. ⓘ Maoantan pegmatite field	[Columbite-(Mn), Tantalite-(Mn)] Renke Li and Xuming Zhang (1995)
Ziyuan Co. Miaoershan-Yuechengling ore field Yuechengling batholith Mao’antang Nb-Ta deposit Mao’antang ore block ⓘ Mao’antang pegmatite No.160	[Columbite-(Mn), Tantalite-(Mn)] Zhao et al. (2025)
ⓘ Mao’antang pegmatite No.701	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] Zhao et al. (2025)
Hainan Ding'an Co. Penglai ⓘ Penglai Gem deposit	[Columbite-(Fe)] Zhili Qiu et al. (2001)
Hebei Chengde Xinglong County ⓘ Huashi rare metal deposit	[Columbite-(Mn)] Liu et al. (2024) +1 other reference
Heilongjiang Harbin Tonghe County ⓘ Maojiatun	Wu et al. (2002)
Hegang Luobei County ⓘ Luobei pegmatite field	[Columbite-(Fe)] Deshi Lu (1993)
Henan Sanmenxia Lushi County Guanpo ⓘ Guanpo pegmatite field	[Stibiotantalite, Tantalite-(Mn), Stibiotantalite var: Bismuth-bearing Stibiotantalite] Ruiling He and Enkui Cao (1985)
ⓘ Pegmatite vein no. 309	[Tantalite-(Mn)] Fan G. et al. (2013)
ⓘ Nanyangshan pegmatite field	[Columbite-(Mn), Tantalite-(Mn)] Qu et al. (2023)
ⓘ Nanyangshan 703 deposit	[Columbite-(Mn), Stibiotantalite, Tantalite-(Mn)] Qu et al. (2020) +1 other reference
Hubei Shiyan Zhushan Co. ⓘ Miaoya carbonatite	[Columbite-(Fe)] Li (1982) +3 other references
Hunan Chenzhou Guiyang Co. Dayishan Sn-polymetallic ore field ⓘ Tianmuchong W-Sn deposit	Liu et al. (2024)
Linwu Co. Xianghualing Sn-polymetallic ore field ⓘ Jianfengling Nb-Ta-Sn deposit	[Columbite-(Mn), Tantalite-(Mn)] Diao et al. (2022)
Suxian District Dongpo ore field ⓘ Jinzilun W deposit	Bingtao Li (1990)
Yueyang Pingjiang Co. ⓘ Chuanziyuan Mine	[Tantalite-(Mn)] Zhijun Shen et al. (2003)
ⓘ Gaotan pegmatite field	[Columbite-(Fe)] National Geological Archives of China ...
ⓘ Huangbaishan deposit	Li et al. (2024)
ⓘ Hupei Mine (Qinjiafang Mine)	Li et al. (2024)
ⓘ Renli Nb‐Ta deposit	Li et al. (2024)
ⓘ No. 5 pegmatite vein	[Columbite-(Mn)] Jiang et al. (2023)
Zhuzhou Chaling Co. ⓘ Jinzhulong Nb-Ta deposit	Zhijun Shen et al. (2003)
Inner Mongolia Alxa League (Alashan Prefecture) Ejin Banner (Ejina Co.) ⓘ Dongqiyishan polymetallic ore field	Hong Liu (1986)
Baotou City Bayan Obo mining district ⓘ Bayan Obo deposit	[Columbite-(Fe), Columbite-(Mn)] Qing-chang (1981) +3 other references
ⓘ East Mine	[Columbite-(Fe)] Liu et al. (2022)
ⓘ Main pit	[Columbite-(Fe)] Xue et al. (2026)
Hohhot City (Huhehaote Prefecture) Wuchuan County ⓘ Zhaojinggou Nb-Ta deposit	Fengjun Nie et al. (2013)
Tongliao City (Tongliao Prefecture) Jarud Banner (Zalute Co.) ⓘ Baerzhe complex	[Columbite-(Fe)] Wu et al. (2021) +1 other reference
ⓘ Intrusion No. 801	[Columbite-(Fe)] Zhongxin Yuan and Ge Bai (1997) +2 other references
Xilingol League (Xilinguole Prefecture) Bordered Yellow Banner (Xianghuang Co.) ⓘ Jiabusi Ta-Nb deposit	[Columbite-(Mn)] Zhang et al. (2022)
Jiangsu Suzhou Huqiu District ⓘ Shananbang Ta-Nb deposit	[Columbite-(Fe), Tantalite-(Fe), Tantalite-(Mn)] Xiaojun Yuan et al. (2004) +1 other reference
Jiangxi Ganzhou Huichang Co. ⓘ Xikengjing Sn ore field (Mikengshan Sn ore field)	Jiansheng Qiu et al. (2006)
Quannan Co. ⓘ Dajishan Mine (Tachishan Mine)	[Columbite-(Mn)] Zongzhen Zhang (1974) +1 other reference
Ji'an Suichuan Co. ⓘ Xigang Ta-Nb deposit	[Columbite-(Fe), Tantalite-(Fe), Tantalite-(Mn)] Weizheng Hu et al. (2005)
Pingxiang Anyuan District ⓘ Chengjiawan	[Tantalite-(Mn)] Scovil (2005)
Shangrao Hengfeng Co. Lingshan complex ⓘ Huangshan Nb-Ta deposit	[Columbite-(Fe)] Zhu et al. (2026)
ⓘ Songshugang Nb-Ta-W-Sn deposit (Geyuan Nb-Ta-W-Sn deposit)	[Columbite-(Fe), Tantalite-(Fe)] Zhu et al. (2024)
Shangrao Co. Lingshan complex ⓘ Shirendian Nb-Ta occurrence	Dingtang Huang (2003)
ⓘ Shuijingshan Nb-Ta occurrence	Dingtang Huang (2003)
Yichun ⓘ Ganfang rare metal deposit	[Columbite-(Mn), Tantalite-(Mn)] Zhu et al. (2025)
Yuanzhou District ⓘ Hejiaping Mine	Shufang He and Jianping Lu (2001)
Yichun complex (Yashan batholith) ⓘ Yichun Mine (Mine No. 414)	[Columbite-(Mn), Tantalite-(Mn)] Desong Lin (1993) +2 other references
Liaoning Dandong Kuandian County ⓘ Saima U-REE deposit	Ju et al. (2025)
Liaoyang Gongchangling District Gongchangling Fe deposit ⓘ Gongchangling No. 1 Mine	[Columbite-(Fe), Columbite-(Mn)] Liu et al. (2025)
Qinghai Haixi Mongol and Tibetan Autonomous Prefecture Tianjun County ⓘ Chakabeishan rare-element pegmatites	[Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] Sun et al. (2023)
Wulan Co. (Ulan Co.) ⓘ Shaliuquan Nb-Ta deposit	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe)] Feng et al. (2024)
Shaanxi Weinan Huazhou District ⓘ Huangjiagou NYF pegmatites	[Columbite-(Mn)] Zhang et al. (2022)
Sichuan Garzê Autonomous Prefecture (Ganzi Autonomous Prefecture) Jiulong County ⓘ Daqianggou Li–Be deposit	Hu et al. (2025)
Kangding County ⓘ Hede Mine	Chenghua Zhang and Guodong Ji (1983)
Yajiang County Kangding pegmatite field ⓘ Jiajika Mine	[Columbite-(Fe), Tantalite-(Fe)] Chenghua Zhang and Guodong Ji (1983)
ⓘ No. 9 Pegmatite	Zhao et al. (2023)
ⓘ Murong pegmatite-type Li deposit	Lei et al. (2025) +1 other reference
Liangshan Yi Huili County ⓘ Baicao Nb-Ta deposit	[Columbite-(Fe)] Xue et al. (2021)
ⓘ Xiaoheiqing Nb-Ta deposit	[Columbite-(Fe)] Xue et al. (2021)
Ngawa Autonomous Prefecture (Aba Autonomous Prefecture) Jinchuan Co. ⓘ Ke'eryin pegmatite field	Dai et al. (2025)
ⓘ Dangba deposit	Feng et al. (2025) +1 other reference
ⓘ Jiada deposit	Li et al. (2022)
ⓘ Shaba Nb-Ta occurrence	Dong Peng et al. (2005)
Li Co. ⓘ Hongshuigou Nb-Ta deposit	Dong Peng et al. (2005)
ⓘ Liangtaigou Nb-Ta deposit	Dong Peng et al. (2005)
Xiaojin Co. ⓘ Jiucaipo Nb-Ta deposit	Dong Peng et al. (2005)
ⓘ Luerchongtang Ta deposit	[Tantalite-(Fe)] Dong Peng et al. (2005)
ⓘ Yeniugou Nb-Ta-Be deposit	Dong Peng et al. (2005)
Panzhihua Yanbian County ⓘ Luku Complex	[Columbite-(Mn)] Lin et al. (1995)
Tibet Shannan Prefecture Lhozhag County ⓘ Gabo mining area	Fu et al. (2025)
Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture) Tingri Co. (Dingri Co.) ⓘ Hermit's Gorge	[Columbite-(Mn)] Rucheng Wang et al. (2018)
ⓘ Qongjiagang Mountain	Li et al. (2025)
Xinjiang Akesu Prefecture Baicheng Co. ⓘ Boziguoer intrusion	[Columbite-(Fe)] Yin et al. (2015)
ⓘ Yilanlike pegmatite	He et al. (2025)
Bayin'gholin Autonomous Prefecture Ruoqiang Co. (Qakilik Co.; Chaqiliq Co.) ⓘ North Tugeman Li-Be deposit	Kang et al. (2024)
ⓘ Qianghesanqu Li‒Ta deposit	Qin et al. (2025)
ⓘ South Washixia granitic pegmatite Li deposit	Kang et al. (2024)
Tashidaban Li district ⓘ Kumusayi Li deposit	Ma et al. (2025)
ⓘ Tamuqie granitic pegmatite Li deposit	Kang et al. (2024)
ⓘ Tashidaban granitic pegmatite Li deposit	Ma et al. (2025)
ⓘ Tashisayi Chrysoberyl occurrence	Kang et al. (2024)
ⓘ Tugeman Be-Li deposit	Gao et al. (2021)
Hotan Prefecture Hetian Co. (Khotan Co.; Hotan Co.; Hoten Co.) ⓘ Dahongliutan pegmatite field	[Tantalite-(Fe)] Feng et al. (2019)
Aktas pegmatite ⓘ No. 90 pegmatite	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe)] Feng et al. (2019)
ⓘ Bailongshan pegmatite	Tuo et al. (2025)
ⓘ Xuefengling lithium polymetallic pegmatite	Zhou et al. (2026)
ⓘ Dahongliutandong Li deposit	Yang et al. (2026)
Ili Kazakh Autonomous Prefecture Altay Prefecture (Aletai Prefecture) Aletai Co. (Altay Co.) ⓘ Dakalasu Mine (Dahalasu Mine)	[Columbite-(Fe), Tantalite-(Fe)] Denghong Wang et al. (2003)
ⓘ Dakalasu No.1 pegmatite deposit	Xia et al. (2025)
ⓘ Shangkelan pegmatite field	Chen et al. (2024)
ⓘ Xiaokalasu Mine (Xiaohalasu Mine)	Denghong Wang et al. (2003)
Bu'erjin Co. (Burqin Co.; Burchin Co.) ⓘ Yelaman Mine	[Columbite-(Fe)] Denghong Wang et al. (2001)
Fuhai Co. (Burultokay Co.) ⓘ Jiamukai pegmatite field	Zhang et al. (2016)
Fuyun Co. (Koktokay Co.) ⓘ Bieyesamasi rare metal deposit	[Tantalite-(Mn)] 何晗晗; 艾尔肯; 吐尔孙; 王登红; 王瑞江; 陈振宇 (2020)
Koktokay pegmatite field (Keketuohai pegmatite field) Altay Mine ⓘ Koktokay No. 3 pegmatite (Altay No. 3 pegmatite)	[Columbite-(Mn), Tantalite-(Mn)] Zhang et al. 2004 +2 other references
ⓘ Koktokay No. 1 pegmatite	[Columbite-(Mn), Tantalite-(Mn)] Wang R et al. (2014) +1 other reference
ⓘ Koktokay No. 2 pegmatite	[Columbite-(Mn)] Cao et al. (2022)
ⓘ Kuru'erte pegmatite field	[Tantalite-(Mn)] Yanling Tang (2005)
ⓘ Nasenqia Mine	Yanling Tang (2005)
Habahe Co. (Kaba Co.; Qaba Co.) ⓘ Jiamanhaba pegmatite field	Wang et al. (2023)
Qinghe Co. (Qinggil Co.; Chinggil Co.) ⓘ Amulagong pegmatite field	[Tantalite-(Mn)] Wang et al. (2023)
ⓘ Asika'erte Mine	[Columbite-(Mn)] Wang et al. (2024)
ⓘ Unnamed pegmatite occurrence	[Tantalite-(Mn)] Ma (2005)
Tacheng Prefecture (Tarbaghatay Prefecture) Tuoli Co. (Toli Co.) ⓘ Baiyanghe U-Be deposit	[Columbite-(Mn)] Zhang et al. (2020)
Yunnan Baoshan Longling County ⓘ Huangliangou Be-Nb-Ta pegmatite deposit	[Columbite-(Fe), Tantalite-(Fe)] Gao et al. (2026)
Tengchong County Tengchong Sn belt ⓘ Baohuashan Nb-Ta-Li deposit	Feibao Wu and Zongyu Li (1986)
ⓘ Dasongpo Sn deposit	Nan Ma et al. (2013)
ⓘ Mengbeng Nb-Ta-Sn deposit	Ping Bai et al. (2010)
Gaoligong High-Grade metamorphic belt Rare metal-bearing pegmatites ⓘ Perthite–Albite pegmatite	[Tantalite-(Mn)] Deng et al. (2024)
Nujiang Gongshan County ⓘ Danzhu Nb-Ta deposit	Jianyun Tang (2009)
Pu'er ⓘ Ximeng County	[Tantalite-(Mn)] Larson (2001)

Colombia
Antioquia Department ⓘ Rio Chico Placer District	[Columbite-(Fe)] Overstreet (1967)

Czech Republic
Central Bohemian Region Kutná Hora District ⓘ Vlastějovice	[Columbite-(Mn)] Ackerman (2005)
Moldanubian Zone pegmatites Holý vrch deposit ⓘ Elbaite pegmatite	[Columbite-(Mn)] Novák et al. (2013) +1 other reference
Vlkaneč ⓘ Přibyslavice	[Columbite-(Fe)] Povondra et al. (eds.) +1 other reference
Karlovy Vary Region Cheb District Aš ⓘ Vernéřov	[Columbite-(Fe)] Breiter K.
Lázně Kynžvart ⓘ Bílý Kámen pegmatite quarry	[Columbite-(Mn)] Černý et al. (Weisser Stein)
Karlovy Vary District Ostrov ⓘ Vykmanov	[Columbite-(Fe)] Štemprok et al. (2005)
Potůčky Potůčky Deposit ⓘ Podlesí stock	[Columbite-(Fe)] Breiter et al. (2007)
Sokolov District ⓘ Krásno	[Columbite-(Fe), Columbite-(Mn)] René et al. (2011)
Liberec Region Jablonec nad Nisou District Kořenov Jizerka ⓘ Jizerská louka	[Columbite-(Fe)] geological prospecting
Olomouc Region Šumperk District Branná ⓘ Dämmbaude	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe)] Novák (2003)
Sobotín ⓘ Bienergraben	[Columbite-(Mn)] Štosová
Velké Losiny Maršíkov (Marchendorf) ⓘ D6e pegmatite	[Columbite-(Fe), Columbite-(Mn)] Ddolníček Z et al. (2020)
ⓘ Lysá hora (Kahlhübel)	[Columbite-(Fe), Columbite-(Mn)] Chládek Š. (2016)
ⓘ Rasovna (Schinderhübl)	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] Novák
ⓘ Střelecký důl (Scheibengraben)	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] Novák
South Bohemian Region České Budějovice District Horní Stropnice ⓘ Šejby	[Columbite-(Fe), Tantalite-(Fe)] Pavlíček V. et al.: Pegmatit ...
ⓘ Rudolfov (Rudolfstadt)	[Columbite-(Mn)] Welser +5 other references
Český Krumlov District Nová Ves ⓘ Nová Ves pegmatite	[Columbite-(Fe), Columbite-(Mn)] Welser
Jindřichův Hradec District ⓘ Kostelní Vydří (Kirchwiedern)	[Columbite-(Fe)] Novák (1994)
Stráž nad Nežárkou ⓘ Homolka Hill	[Columbite-(Fe)] Breiter et al. (1995)
South Moravian Region Znojmo District Ctidružice ⓘ Ctidružice deposit	Čech (1961)
Vysočina Region Havlíčkův Brod District Pohled ⓘ Granite quarry	[Columbite-(Fe), Columbite-(Mn)] Dolníček et al. (2024)
Jihlava District Jihlava ⓘ Pekelský vrch	[Columbite-(Fe)] Pauliš et al. (2022)
Krasonice ⓘ Kyprův mlýn quarry	Luna (1965)
Puklice ⓘ Puklice pegmatites	[Columbite-(Mn)] Novák et al. (1996)
Sedlatice ⓘ Sedlatice granitic pegmatite	[Columbite-(Mn)] Houzar (1995)
Třebíč District Biskupice-Pulkov ⓘ U starého Čihadla pegmatite	[Tantalite-(Mn)] Čech
Kožichovice ⓘ Kožichovice II pegmatite	[Columbite-(Mn)] Výravský et al. (2017)
Stařeč ⓘ Kracovice	[Columbite-(Mn)] Škoda et al. (2012) +1 other reference
Žďár nad Sázavou District Bory ⓘ Dolní Bory	[Columbite-(Fe)] Novák +2 other references
ⓘ Pegmatite vein No. 21	[Columbite-(Mn)] Němec D.: Ein Pegmatit mit Li-Mineralisierung von Dolní Bory in Westmahren (ČSSR)
ⓘ Pegmatite vein No. 3	[Columbite-(Fe)] Novák +1 other reference
Horní Bory Cyrilov (Cyrillhof) ⓘ Cyrilov phosphate pegmatite (Cyrillhof)	[Columbite-(Fe)] new data on the type material. Journal of GEOsciences: 45 (1-2) +1 other reference
ⓘ Dobrá Voda	[Columbite-(Mn), Stibiotantalite, Tantalite-(Mn)] Novák et al. (1999)
ⓘ Dolní Rožínka	[Columbite-(Mn)] Novotný et al. (2019)
ⓘ Pikárec	[Columbite-(Mn), Tantalite-(Mn)] Flégr et al. (2017)
ⓘ Řečice	[Columbite-(Mn)] Novák et al. (1999)
ⓘ Řečice pegmatite	[Columbite-(Mn)] Flégr et al. (2017)
Rožná ⓘ Rožná pegmatite (Rozna; Roschna)	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] Novák +3 other references
ⓘ Rožná Borovina	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] P. Pauliš (2001)
ⓘ Rožná Hradisko	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] P. Pauliš (2001)
Věžná ⓘ Věžná I pegmatite	[Columbite-(Fe)] Cerny et al. (2000)

DR Congo
Ituri Mambasa Territory ⓘ Mambasa	[Columbite-(Fe), Tantalite-(Fe)] Melcher et al. (2015)
ⓘ Liha river	[Columbite-(Fe)] T. Graupner et al. (2010)
ⓘ Kivu	Vanrusselt (2023)
Maniema ⓘ Kalima	Buttgenbach (1947)
ⓘ Lubilokwi	[Tantalite-(Fe)]
ⓘ Punia Territory	[Columbite-(Fe)] Kristiansen (2001)
ⓘ North Kivu	Melcher et al. (2015)
Masisi Territory Bahunde ⓘ Rubaya	IPIS (2016) +1 other reference
Osso Mumba ⓘ Mumba cassiterite gravels	[Tantalite-(Mn)] Roy Kristiansen specimen +1 other reference
Rutshuru Territory Bwito ⓘ Lueshe Mine	[Columbite-(Fe), Columbite-(Mn)] Wall et al. (1996)
South Kivu Kalehe Territory ⓘ Numbi	Loun et al. (2018)
ⓘ Misumari II mine	Loun et al. (2018)
ⓘ Mwenga Territory	[Columbite-(Fe), Tantalite-(Fe), Tantalite-(Mn)] Melcher et al. (2015)
Tanganyika ⓘ Manono-Kitotolo mine	Dewaele et al. (2016)

Egypt
Aswan Governorate ⓘ El-Sibai shear zone	[Columbite-(Fe)] Mohamed (2013)
ⓘ Eastern Desert	MinMag 63:821-836
New Valley Governorate ⓘ Nusab El Balgum	[Columbite-(Fe)] Mahmoud et al. (2018)
Red Sea Governorate ⓘ Abu Dabbab Massif	[Columbite-(Mn), Tantalite-(Mn)] Alekseev et al. (2023)
ⓘ Abu Dabbab Ta-Sn deposit	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] Fengjun Nie et al. (2013)
ⓘ El Bakriyah Ring Complex	[Columbite-(Mn), Tantalite-(Mn)] Abd El-Fatah et al. (2023)
ⓘ Gabal El-Ineigi	[Columbite-(Fe)] Sami et al. (2017) +1 other reference
ⓘ Gebel Ras Baroud	[Columbite-(Fe), Columbite-(Mn)] Raslan et al. (2010)
ⓘ Homrit Akarem intrusion	[Columbite-(Fe)] Azer et al. (2025)
ⓘ Mueilha granite	Michaud et al. (2025)
ⓘ Nikeiba	[Columbite-(Fe)] Abdel Gawad et al. (2025)
ⓘ Nuweibi Complex	[Columbite-(Mn), Stibiotantalite, Tantalite-(Mn)] Helba et al. (1997) +1 other reference
ⓘ Um Desi	Küster (2009)
ⓘ Um Safi	[Columbite-(Fe)] Mahdy et al. (2025)
ⓘ Um Solimate	[Columbite-(Fe)] Ali et al. (2021)
Wadi Abu Rasheid ⓘ Emerald mines	[Columbite-(Fe)] Raslan et al. (2011)
ⓘ Leucogranite	[Columbite-(Fe)] Elsagheer et al. (2026)
ⓘ Wadi El-Tuleia	[Columbite-(Fe)] Shahin et al. (2025)

Equatorial Guinea
Rio Muni Wele-Nzas Province ⓘ Bibabijop river	[Columbite-(Fe)] Pavel M. Kartashov (n.d.)

Eswatini
Lubombo Region Sinceni Mountain Sinceni pegmatite field Sinceni West area ⓘ Zishineni	[Columbite-(Mn)] Grew et al. (2018)
Shiselweni Region ⓘ Hlatikulu	Sinkankas (1981)

Ethiopia
Oromia Region Kenticha pegmatite field ⓘ Bupo I dyke (Bupo pegmatite)	[Tantalite-(Mn)] Melcher et al. (2015)
ⓘ Kenticha mine	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] Küster et al. (2009)
Southern Nations Nationalities and Peoples' Region ⓘ Konso	[Columbite-(Fe)] Kaiser (2006)

Europe
Ore Mountains ⓘ Zinnwald-Cínovec mining region	[Columbite-(Fe)] Jahn (2002)

Finland
Central Ostrobothnia ⓘ Kaustinen	[Columbite-(Fe), Tantalite-(Fe)] Huber et al. (2023)
ⓘ Rapasaaret	Lynch et al. (2025)
Kainuu Kajaani ⓘ Honkamäki	[Columbite-(Fe)] Marmo et al. (1966)
Kanta-Häme Forssa ⓘ Häiviäntien pegmatite	[Columbite-(Fe), Columbite-(Mn)] Ilkka Mikkola collection
ⓘ Kiimassuo pegmatite	[Columbite-(Fe), Columbite-(Mn)] Ilkka Mikkola data
ⓘ Hämeenlinna	[Tantalite-(Mn)] Ilkka Mikkola collection
Tammela ⓘ Hirvikallio	[Columbite-(Fe)] Pavel M. Kartashov analytical data of ...
ⓘ Kietyönmäki	[Columbite-(Fe), Tantalite-(Fe)] Alviola (1993) +1 other reference
Kymenlaakso Kotka ⓘ Murskelouhos pegmatite	[Columbite-(Fe)] Ilkka Mikkola collection +1 other reference
ⓘ Topaz quarry	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] Lahti Seppo I. 2011. Kotkan ...
Virolahti ⓘ Lypsyniemi	[Columbite-(Fe)] Jyrki Autio Collection. EDS
Lapland Enontekiö Miessijoki River ⓘ Rapeli-Kangas claim	[Columbite-(Fe), Tantalite-(Fe), Tantalite-(Mn)] Tuisku (2010)
North Karelia Tohmajärvi ⓘ Oriselkä pegmatite	[Columbite-(Mn)] Teertstra et al. (1993)
ⓘ Surmasuo S pegmatite	[Tantalite-(Mn)] Alviola Reijo 1974. Selostus ...
North Ostrobothnia Kuusamo ⓘ Uuniniemi	[Columbite-(Fe)] Thair Al-Ani! and Olli Sarapää (2013) +2 other references
Pyhäntä ⓘ Lamujärvi area	[Columbite-(Fe)] Al Ani Thair and Torppa Akseli 2011. ...
Ostrobothnia ⓘ Dragbacken	Lynch et al. (2025)
Pirkanmaa Orivesi Eräjärvi area ⓘ Eräpyhä pegmatite	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe)] Lahti (2000)
ⓘ Hannula pegmatite	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe)] Lahti (2000)
ⓘ Jussinvuori	Lahti (1981)
ⓘ Juurakko pegmatite	[Columbite-(Fe), Columbite-(Mn)] Lahti (2000)
ⓘ Keskimetsä pegmatite	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] Lahti (2000)
ⓘ Niemelä pegmatite	[Columbite-(Fe), Columbite-(Mn)] Lahti (2000)
ⓘ Seppälänranta pegmatite	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe)] Lahti (2000)
ⓘ Tiainen pegmatite	[Tantalite-(Mn)] Message from Ilkka Mikkola
ⓘ Viitaniemi pegmatite	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] Lahti (2000)
Satakunta ⓘ Eurajoki	[Columbite-(Fe)] Haapala Ilmari 1977 Petrography and ...
ⓘ Rapakivi granite	[Columbite-(Fe)] Al-Ani
South Karelia Luumäki Kännätsalo ⓘ Karelia Beryl Mine pegmatite	[Columbite-(Fe)] Lahti et al. (2009)
South Ostrobothnia Alavus ⓘ Hunnakko	Lynch et al. (2025)
Kuortane ⓘ Kaatiala pegmatite	[Columbite-(Fe)] Nieminen +1 other reference
Seinäjoki ⓘ Pajuluoma	Lynch et al. (2025)
Peräseinäjoki ⓘ Haapaluoma pegmatite	[Columbite-(Fe), Columbite-(Mn)] Hytönen (1999)
ⓘ Routakallio Quarry (Satamo Quarry)	[Columbite-(Fe)] Ilkka Mikkola collection
ⓘ Syväjärvi	Lynch et al. (2025)
ⓘ Tarikko	Lynch et al. (2025)
Southwest Finland Kimitoön (Kemiönsaari) Kimitoön Island ⓘ Rosendal pegmatite	[Tantalite-(Fe)]
ⓘ Skogsböle (Skogböle)
Salo Suomusjärvi ⓘ Salittu	[Columbite-(Fe), Tantalite-(Fe)] Niskanen (2014)
Uusimaa Mäntsälä ⓘ Kapuli	[Columbite-(Fe)] Semiquantitative analysis by Reijo Alviola in 2011 (Jyrki Autio samples)
Myrskylä ⓘ Kankkila pegmatite	[Columbite-(Fe), Tantalite-(Fe)] Ilkka Mikkola collection

France
Auvergne-Rhône-Alpes Allier Vichy Échassières ⓘ Beauvoir quarry	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] G. Aubert : "Les coupoles granitiques de Montebras et d'Echassières (Massif Central Français) +1 other reference
Saint-Clément ⓘ Malatray	[Columbite-(Fe)] P.G. Pélisson (pelisson@inist.fr)
Bourgogne-Franche-Comté Saône-et-Loire Autun ⓘ Arroux stream alluvial deposits	[Columbite-(Mn)]
Brittany Finistère Morlaix Plouénan ⓘ La Penzé river	Pierrot et al. (1973)
Plouvorn ⓘ Lescondan quarry	CHAURIS L. (1998)
ⓘ Santec	Lefèvre M. (1996)
ⓘ Corn al Loa	CHAURIS L. (1998)
Morbihan Pontivy Le Roc Saint-André ⓘ La Villeder	De Ascençao Guedes et al. (2001)
French Guiana Arrondissement of Cayenne Sinnamary ⓘ Venus Creek	Tom Loomis specimen
ⓘ Tamanoir massif	Sinkankas (1981)
Nouvelle-Aquitaine Corrèze Ussel Saint-Yrieix-le-Déjalat ⓘ Puy Bézin	[Tantalite-(Mn)] Lebocey et al. (2013)
Creuse Aubusson Soumans Montebras ⓘ Montebras Mines	[Columbite-(Mn)] Marcoux et al. (2021)
Guéret Crozant ⓘ Crozant quarry	[Columbite-(Fe)] M. Arliguie collection
Haute-Vienne Bellac Bessines-sur-Gartempe ⓘ Barrot stream alluvial deposits	[Tantalite-(Fe)] François Périnet collection
ⓘ Mas-Barbu Quarry	Boisson (1988)
Compreignac ⓘ Chabanne quarry	[Columbite-(Mn)] Dr. Eugene Foord
Margnac Quarry ⓘ Merguiller-Patureau Quarry	Patureau (2008)
Razès ⓘ Chanteloube	[Columbite-(Fe)] Bariand et al. (n.d.) +1 other reference
Vilatte Quarries (La Vilate) ⓘ Vilatte-Haute Quarry (Alluaud Quarry)	Alain Tuel collection
Limoges Ambazac ⓘ Chedeville quarry	[Columbite-(Fe), Columbite-(Mn)]
Saint-Léonard-de-Noblat ⓘ Puy-les-Vignes	[Columbite-(Fe)] Harlaux et al. (2015, August)
Pyrénées-Atlantiques Oloron-Sainte-Marie Aramits Ance ⓘ Col d'Etche	[Columbite-(Fe)] MONCHOUX P. et al. (2006)
ⓘ Col d'Urdach	[Columbite-(Fe)] MONCHOUX P. et al. (2006)
Occitanie Hautes-Pyrénées Bagnères-de-Bigorre Avezac-Prat-Lahitte ⓘ Espéchère	[Columbite-(Fe), Columbite-(Mn)] MONCHOUX P. et al. (2006)
Pyrénées-Orientales Céret Argelès-sur-Mer Pegmatite field ⓘ Roc de les Cabres	Guitard (2010)
Sorède ⓘ Lavail (La Vall)	Guitard (2010)
Pays de la Loire Vendée La Roche-sur-Yon ⓘ Les Épesses	[Columbite-(Fe)] Devismes (1978)

Germany
Baden-Württemberg Freiburg Region Breisgau-Hochschwarzwald Vogtsburg im Kaiserstuhl Schelingen ⓘ Ohrberg - Badberg area	[Columbite-(Fe)]
Waldshut Waldshut-Tiengen Detzeln ⓘ Porphyry quarry	[Columbite-(Fe)] Hanneberg et al. (2009) +1 other reference
Bavaria Lower Bavaria Freyung-Grafenau District Saldenburg Matzersdorf ⓘ Krenn Quarry	Habel (2001)
Waldkirchen Oberfrauenwald ⓘ Eitzing Quarry	[Columbite-(Fe), Columbite-(Mn)] Habel (1998) +1 other reference
Regen District Rinchnach Grub ⓘ Grub Quarries	[Columbite-(Fe)] King (n.d.)
Zwiesel Rabenstein ⓘ Hühnerkobel Mine (Hennenkobel Mine)	[Columbite-(Fe)] Habel (2006)
Upper Palatinate Neustadt an der Waldnaab District Pleystein ⓘ Kreuzberg (Rose quartz cliff)	[Columbite-(Fe)] Dill et al. (2009)
ⓘ Miesbrunn pegmatite–aplite swarm	[Columbite-(Fe)] Dill et al. (2012)
ⓘ Trutzhofmühle aplite	[Columbite-(Fe)] Dill et al. (2008) +1 other reference
Waidhaus ⓘ Hagendorf	[Columbite-(Fe)] Dill (2009) +1 other reference
ⓘ Hagendorf North Pegmatite	[Columbite-(Fe)] Dill et al. (2013)
ⓘ Hagendorf South Pegmatite	[Columbite-(Fe)] Keck (1989)
Reinhardsrieth ⓘ Reinhardsrieth aplite	[Columbite-(Fe)] Dill et al. (2015)
ⓘ Silbergrube	[Columbite-(Fe)] Dill et al. (2008)
Tirschenreuth District Tirschenreuth ⓘ Sägmühle (Rotes Kreuz)	[Columbite-(Fe)] Müller (1852)
Hesse Darmstadt Bergstraße Abtsteinach Mackenheim ⓘ Amphibolite quarry	[Columbite-(Fe)] SEM-EDS by Joy Desor and Gerhard Möhn
Rhineland-Palatinate Germersheim Jockgrim Rheinzabern ⓘ Holcim gravel pit	[Tantalite-(Fe), Tantalite-(Mn)] Oberthür et al. (2016)
Mayen-Koblenz Mendig Mendig ⓘ In den Dellen quarries	[Columbite-(Mn)] Blaß et al. (1992)
ⓘ Thelenberg	[Columbite-(Mn)] Blaß et al. (1992)
Wingertsberg ⓘ Pumice quarries	[Columbite-(Mn)] Blaß et al. (1992)
Pellenz Kruft ⓘ Krufter Ofen	[Columbite-(Mn)] Blaß et al. (1992)
Vordereifel Ettringen ⓘ Caspar quarry	[Columbite-(Fe)] Blaß et al. (2004)
Vulkaneifel Kelberg Drees ⓘ Niveligsberg ?	[Columbite-(Mn)] Ko Jansen
Saxony Bautzen District Hochkirch Wuischke ⓘ Steinberg	[Columbite-(Fe), Tantalite-(Fe)] Witzke et al. (2008)
Erzgebirgskreis Ehrenfriedersdorf ⓘ Sauberg Mine	[Columbite-(Fe)] M. Trinkler et al. (1997)
Geyer ⓘ Geyersberg Granite Stock	[Columbite-(Fe)] René (2019)
Görlitz District Königshain ⓘ Rubel Quarry	[Columbite-(Fe)]
Schöpstal Liebstein ⓘ Liebsteiner mountain (Limasberg)	[Columbite-(Mn)] Witzke et al. (2001)
Thiemendorf ⓘ A4 Highway tunnel	[Columbite-(Fe)] Aufschluss 49 (1998)
ⓘ Schoorstein Quarry	[Columbite-(Fe)] Witzke et al. (2001)
Vierkirchen Döbschütz Arnsdorf-Melaune Quarry ⓘ Krobnitz Quarry	[Columbite-(Mn)] Witzke et al. (2001)
ⓘ Neuland Quarry	[Columbite-(Fe), Columbite-(Mn)] Witzke et al. (2001)
Mittelsachsen Claußnitz Diethensdorf ⓘ Diethensdorf Quarry	[Columbite-(Fe)] AmMin 88:986-995
Sächsische Schweiz-Osterzgebirge Dippoldiswalde ⓘ Sadisdorf	Leopardi et al. (2024)

Greenland
Sermersooq Arsuk Fjord Ivigtut stock ⓘ Ivigtut Mine	[Columbite-(Fe)] Blomstrand (1866)

Hungary
Borsod-Abaúj-Zemplén County Miskolc District Bükkszentkereszt ⓘ Bagoly Hill	[Columbite-(Fe), Tantalite-(Fe)] collector: Péter Gál
Miskolc ⓘ Lillafüred	[Columbite-(Fe)] Balassa et al. (2026)

India
Andhra Pradesh Nellore District ⓘ Kodanda Rama mine	C. Karunakaran and K. Neelakantam: ...
Chhattisgarh Bastar district ⓘ Chitalnar pegmatites	Lamba (1994)
ⓘ Chiurwada pegmatites	Lamba (1994)
ⓘ Govindpal pegmatites	Lamba (1994)
Dantewada District ⓘ Kawadgaon-Challanpara pegmatite field	[Columbite-(Fe)] Singh et al. (2017)
Sukma district ⓘ Mundval pegmatites	Lamba (1994)
Karnataka Mandya District ⓘ Marlagalla-Allapatna	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] Sarbajna et al. (2000)
Odisha Jharsuguda District ⓘ Bhurpidungri	[Columbite-(Mn)] Jagadeesan et al. (2005)
Rajasthan Udaipur Division Udaipur District ⓘ Newania carbonatite-fenite complex	[Columbite-(Fe)] Singh et al. (2023)

Iraq
Sulaymaniyah Governorate Mawat ophiolite complex ⓘ Kuradawe granitic pegmatite	[Columbite-(Fe), Columbite-(Fe) var: Scandium-bearing Columbite-(Fe)] Mohammad et al. (2016) +1 other reference

Ireland
Leinster Wicklow County Shillelagh ⓘ Stranakelly	[Tantalite-(Mn)] Steiger et al. (1974) +1 other reference

Italy
Lombardy Brescia Province Cevo Upper Val Saviore Monte Foppa (north slope) Forcel Rosso Gully (Forcel Rosso Pass) ⓘ Pegmatite occurrences	[Columbite-(Mn), Stibiocolumbite, Stibiotantalite] Pezzotta +1 other reference
Lecco Province Colico ⓘ Piona Peninsula	[Columbite-(Mn), Tantalite-(Fe)] VIGNOLA et al. (2007)
ⓘ Malpensata pegmatitic dyke (Olgiasca-Malpensata; Croce Quarry; Secondi dyke)	[Columbite-(Fe), Tantalite-(Fe)] Banti et al. (2011)
Sondrio Province Bodengo Valley ⓘ Soè Valley	[Columbite-(Mn)] Guastoni et al. (2007)
Chiavenna ⓘ Tanno Pegmatitic Field	[Columbite-(Fe), Columbite-(Mn)] Bedognè F. et al. (1995) +1 other reference
Chiesa in Valmalenco ⓘ Sissone Valley	[Columbite-(Fe), Columbite-(Mn)] Marchesini et al. (2025) +1 other reference
Novate Mezzola ⓘ Codera Valley	[Columbite-(Fe), Columbite-(Mn)] - (n.d.) +1 other reference
ⓘ Alpiga Valley	[Columbite-(Fe)] Ghizzoni et al. (2005)
ⓘ Canina Valley	[Columbite-(Fe)] Ghizzoni et al. (2005)
ⓘ Grosina Valley	[Columbite-(Fe)] Ghizzoni et al. (2005)
ⓘ Orco Valley	[Columbite-(Fe)] Ghizzoni et al. (2005)
ⓘ Punta Trubinasca	[Columbite-(Fe), Columbite-(Mn)] Ghizzoni et al. (2005)
Prata Camportaccio ⓘ Schiesone Valley	[Columbite-(Mn)] Bedognè F. et al. (1995)
ⓘ Val Masino	[Columbite-(Fe)] Bedognè F. et al. (1995)
Villa di Chiavenna ⓘ Alpe Rossaccio (Rossaccio)	[Columbite-(Fe)] Bedogné et al. (1995)
Piedmont Verbano-Cusio-Ossola Province Beura-Cardezza ⓘ Beura quarries ?	[Stibiotantalite] Piccoli et al. (2007)
Craveggia Rio Vasca ⓘ Piano del Lavonchio (Piano dei Lavonchi)	[Tantalite-(Fe)] Piccoli et al. (2007)
Druogno Orcesco ⓘ Alpe Rosso	[Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] Piccoli et al. (2007)
ⓘ Isorno Valley	Piccoli et al. (2007)
Trontano Cosasca ⓘ Grignaschi Quarry	[Tantalite-(Fe)] Piccoli et al. (2007)
Pizzo Marcio ⓘ Pizzo Marcio North dyke	[Columbite-(Mn), Tantalite-(Mn)] Piccoli et al. (2007) +4 other references
ⓘ Pizzo Marcio South dyke	[Columbite-(Mn)] Callegari et al. (2002) +2 other references
ⓘ Rio Graia	[Tantalite-(Fe)] Mauro Savia collection
ⓘ Rio Margologio	Albertini (2011)
Vercelli Province Varallo Sesia ⓘ Roccapietra	Piccoli et al. (2007)
Sabbia ⓘ Ponte di Salaro	De Michele (1974)
Sardinia Metropolitan City of Cagliari Sarroch ⓘ Punta de Su Seinargiu (Su Seinargiu; Su Senargiu)	[Columbite-(Fe)] Fernando Caboni et al. (2023)
Nuoro Province Orotelli ⓘ Nuraghe Piscapu pegmatite field	[Tantalite-(Mn)] Raudsepp M. and Pani E. (1994)
Trentino-Alto Adige/Südtirol Trento Province Predazzo ⓘ Al Fol quarry (Sacac quarry)	[Columbite-(Fe)] Vecchi et al. (2013)
Tuscany Livorno Province Campo nell'Elba ⓘ San Piero in Campo	[Columbite-(Mn), Tantalite-(Mn)] Orlandi et al.
ⓘ Fonte del Prete	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] Aurisicchio et al. (2002)
ⓘ Grotta d'Oggi	[Columbite-(Mn)] Orlandi et al. (1990) +1 other reference
ⓘ La Speranza (Pisani's Quarry)	[Columbite-(Mn)] Barsotti et al. (2006)
ⓘ Rosina vein (Rosina pegmatite)	[Columbite-(Mn)] Pezzotta et al. (1996)

Ivory Coast
Sassandra-Marahoué Haut-Sassandra Issia department Issia ⓘ Bémadi Mine	[Tantalite-(Fe), Tantalite-(Mn)] Allou et al. (2005)
ⓘ Étienne-Méguhé Mine	[Tantalite-(Fe), Tantalite-(Mn)] Allou (2006)
ⓘ Sézo	[Tantalite-(Fe), Tantalite-(Mn)] Assaoulé Benjamin Allou (2005) +1 other reference

Japan
Fukuoka Prefecture Fukuoka City ⓘ Nagatare (Nagatareyama; Nagatare mine)	[Columbite-(Mn), Stibiotantalite, Tantalite-(Fe), Tantalite-(Mn)] ...
Fukushima Prefecture Ishikawa District Ishikawa town (Ishikawa-machi) ⓘ Kuroe mine	[Columbite-(Fe)] Akira Kato (2011)
ⓘ Shiozawa	[Columbite-(Fe)] Petrov (n.d.)
Wagu ⓘ Kannonyama pegmatite (Kannonyama mine)	[Columbite-(Fe)] - (2002)
Koriyama City ⓘ Atagoyama	[Columbite-(Fe)] Matsubara et al. (2013)
Sukagawa City Mt Uzumine (Utsumine) ⓘ Uzumine mine (Udumine mine; Uzumine pegmatite)	[Columbite-(Fe)] Nakajima et al. (2006)
ⓘ Mujinamori	[Columbite-(Fe)] Matsubara et al. (2006)
Gifu Prefecture Nakatsugawa City Hirukawa ⓘ Tawara (Tahara)	[Columbite-(Fe)] Yamada (2004)
Ibaraki Prefecture Hitachiota City ⓘ Myoukenyama	[Columbite-(Mn), Stibiotantalite, Tantalite-(Fe), Tantalite-(Mn)] Matsubara et al. (2006)
ⓘ Yudaira	[Columbite-(Fe)] Yamada (2004)
Kasumigaura City Chiyoda-machi ⓘ Yukiiri	[Columbite-(Fe)] Yamada (2004)
Kochi Prefecture Tosashimizu City ⓘ Cape Ashizuri (Ashizurimisaki)	[Columbite-(Fe)] Nakashima et al. (1998)
Nagano Prefecture Kiso District Nagiso ⓘ Tadachi	[Columbite-(Fe)] Yamada (2004)
Saga Prefecture Saga City ⓘ Sugiyama	[Columbite-(Fe)] Uehara et al. (2014)

Kazakhstan
Abai Region Tarbagatai Range Akzhaylyautas Mts (Akzhailyautas Mts; Akjaylautas Mts; Akzhalautas Mts) ⓘ Verkhnee Espe Massif (Verkhnee Espe deposit)	[Columbite-(Fe), Columbite-(Mn)] Pavel M. Kartashov (n.d.)
East Kazakhstan Region Irtysh River ⓘ Ungursai Ta Deposit	[Tantalite-(Mn)] Pekov (1998)
Samar District ⓘ Belogorskoe Ta-Be deposit	[Columbite-(Fe)] Pavel M. Kartashov (n.d.)
Ulan District ⓘ Ognevka Ta deposit	[Columbite-(Fe), Tantalite-(Fe), Tantalite-(Mn)]

Madagascar	[Tantalite-(Fe)]

Alaotra-Mangoro Amparafaravola District Andilana Nord Commune ⓘ Andilana pegmatite	Behier (1963)
Amoron'i Mania Ambatofinandrahana District Mandrosonoro ⓘ Ampandramaika pegmatite	Behier (1963)
Ankiperatra pegmatites ⓘ Ankiperatra Nord	Varlamoff (1972)
ⓘ Antanimbaribe pegmatite (Antambariba)	Varlamoff (1972)
ⓘ Marivolanitra pegmatite	Behier (1963)
ⓘ Maroanaka-Nord pegmatite	Varlamoff (1972)
ⓘ Maroanaka-Sud pegmatite	Varlamoff (1972)
Mangataboahangy ⓘ Betaimboraka Quartz Mine	Behier (1963)
Ambositra District Sahatsiho Ambohimanjaka Manandona Valley ⓘ Antandrokomby pegmatite	[Columbite-(Mn), Stibiotantalite] Ranorosoa (1986)
ⓘ Unnamed pegmatite 150 m NW of Antandrokomby	[Columbite-(Mn)] Knut Edvard Larsen collection # M-590
Analamanga Anjozorobe District Beronono Commune ⓘ Befanamo pegmatite	[Columbite-(Fe)] King (n.d.)
Ankazobe District Andranomiady ⓘ Marivolanitra	Behier (1963)
Tsaramasoandro ⓘ Andohafarika pegmatite	Behier (1960)
ⓘ Ankazotsifantatra pegmatite	Behier (1963)
ⓘ Antsatrana pegmatite	Behier (1963)
ⓘ Bevony	Behier (1963)
ⓘ Marijao pegmatite	[Columbite-(Fe)] Arliguie Michel photo & collection
Atsinanana Brickaville District Lohariandava ⓘ Mboro pegmatite	Behier (1963)
Betsiboka Maevatanana District Kelimaizina ⓘ Unnamed Pegmatite	Behier (1960)
Mahazoma Commune ⓘ Ankaboka	Behier (1963)
ⓘ Morafeno Commune	Michel Arliguie collection & photo (Photo ID: 1009475, old sample)
ⓘ Antanetibe	Behier (1963) +1 other reference
Tsaratanàna District Bekapaika Commune ⓘ Ambohibola pegmatites	Behier (1960)
ⓘ Bemoka pegmatite	Behier (1960)
ⓘ Berere Pegmatite Field	Michel Arliguie collection & photo (photo id 897506)
ⓘ Manakana Commune	Wolfgang Hampel photo & specimen
ⓘ Ambatoharanana pegmatite (Androfia)	Behier (1963)
ⓘ Ambodiriana pegmatite	Behier (1963)
ⓘ Manakana pegmatite	Behier (1963)
Tsaratanana Commune ⓘ Analamisakana pegmatite (Analamitsakana)	Behier (1963)
Itasy Soavinandriana District Amparaky ⓘ Pilina Lake Area	Behier (1963)
Masindray Mandevontena ⓘ Unnamed pegmatite	Behier (1963)
Matsiatra Ambony Ikalamavony District Fitampito ⓘ Adaboroa pegmatite	[Tantalite-(Mn)] Behier (1963)
ⓘ Ambodibonara pegmatite	Behier (1963)
ⓘ Bemokoto pegmatite (Bemakoto)	Behier (1963)
ⓘ Malakialina pegmatite	[Tantalite-(Mn)] Behier (1963)
Menabe Miandrivazo District ⓘ Dabolava	Behier (1963)
ⓘ Sahatany Pegmatite Field (Mt Ibity area)	[Columbite-(Fe)] Ranorosoa (1986)
Vakinankaratra Antsirabe II District Ibity Sahatany Valley ⓘ Ansahalava	Knut Edvard Larsen collection # MM-3405
ⓘ Antsahanana quarry	[Tantalite-(Mn)] Michel Ambroise specimens
ⓘ Estatoby (Antanetinilapa)	[Columbite-(Fe)] Knut Edvard Larsen collection et al. (XRD)
ⓘ Ilapa	[Columbite-(Fe)] Ranorosoa (1986)
ⓘ Ilontsa (Ilotsa)	[Tantalite-(Mn)] Larsen (2003)
ⓘ Manjaka (Sahananana)	[Columbite-(Mn)] Lacroix (1922) +2 other references
Marirana ⓘ Marirana Pegmatites (Andasy)	[Columbite-(Mn)] Ranorosoa (1986)
ⓘ Samizaza	[Columbite-(Mn)] Knut Edvard Larsen collection (# MM 1312)
ⓘ Tsarafara Nord (Ambalaroy)	[Columbite-(Mn)] Ranorosoa (1986)
ⓘ Vohidahy	[Columbite-(Mn)] Ranorosoa (1986)
Mangarano ⓘ Ambatonapetraka pegmatites	[Columbite-(Mn)] Ranorosoa (1986)
ⓘ Antsofimbato pegmatites	[Columbite-(Fe)] Ranorosoa (1986)
Sahanivotry Manandona ⓘ Ialamitana Pegmatites	[Columbite-(Fe)] Pavel M. Kartashov analytical data 2021
ⓘ Tsilaizina pegmatite	[Columbite-(Mn)] Ranorosoa (1986)
Betafo District Ambatonikolahy ⓘ Belamosina (Ambatofotsy) pegmatites	Behier (1963)
ⓘ Ambohimasina	Behier (1963)
ⓘ Lohavalala pegmatite	[Columbite-(Fe)] Harvard University
Andrembesoa ⓘ Ambondrona pegmatite	Behier (1963)
Tetezantsio-Andoabatokely Pegmatite Field ⓘ Ampanodiana North pegmatite	[Columbite-(Mn), Stibiotantalite] Pezzotta (2007)
ⓘ Ampanodiana South pegmatite	[Stibiotantalite] Pezzotta (2007)
ⓘ Ampasogona pegmatite	[Columbite-(Mn)] Pezzotta (2007)
ⓘ Tetezantsio pegmatites	[Columbite-(Mn)] Pavel M. Kartashov data and photo
Anosiarivo Manapa Antsentsindrano ⓘ Antsongombato gem mine	[Columbite-(Mn), Tantalite-(Mn)] Demartin et al. (2001)
ⓘ Manapa pegmatite Field	Behier (1963)
Mahaiza ⓘ Tsaramanga pegmatite	[Columbite-(Mn)] Rudy Bolona specimen
Tritriva ⓘ Samiresy	[Columbite-(Fe)] Ranorosoa (1986)
Faratsiho ⓘ Ingalana pegmatite	Behier (1963)
ⓘ Marofahitra	Behier (1963)
Miandrarivo ⓘ Ampangabé pegmatite	Behier (1963)
Mandoto Betsohana ⓘ Ambatofotsikely pegmatite	[Columbite-(Fe)] Falster (2003) +1 other reference

Malawi
Northern Region Mzimba ⓘ Mbuliwiza pegmatite	Salima (2014)

Malaysia
Perak Kinta District Ipoh Gopeng ⓘ Tekka Hill	Teh (1981)

Mexico
Chihuahua Aquiles Serdán Municipality Santa Eulalia Mining District East Camp ⓘ San Antonio Mine	[Columbite-(Fe)] Panczner (1987)
Oaxaca la San Francisco Telixtlahuaca Municipality San Francisco Telixtlahuaca ⓘ Santa Ana Mine	[Columbite-(Fe)] Panczner (1987)

Mongolia
Dornogovi Province ⓘ Unchzhul massif	[Columbite-(Fe), Tantalite-(Mn)] Pavel M. Kartashov (n.d.)
Khovd Province Myangad District ⓘ Khaldzan Buragtag massif	[Columbite-(Fe)] Pavel M. Kartashov (n.d.)
ⓘ Khalzan Buregte Zr–Nb–REE deposit (Khalzan Buregtei deposit)	[Columbite-(Fe)] Park et al. (2021)
ⓘ Tsakhirin Khuduk Y-Zr-Nb deposit	[Columbite-(Fe)] Pavel M. Kartashov (n.d.) +1 other reference
Töv Province Nailakh Soum Janchivlan ⓘ Janchivlan complex	Tumenbayar et al. (2000)
ⓘ Urt Gozgor placer	Dostal et al. (2022)
ⓘ Urt Gozgor placer	Tumenbayar et al. (2000)
Uvs Province Malchin District ⓘ Ulaan Tolgoi deposit	Dostal et al. (2022)
Zavkhan District ⓘ Shar Tolgoi	[Columbite-(Fe)] Pavel M. Kartashov (n.d.) +1 other reference

Morocco
Marrakesh-Safi Region Rehamna Province Sidi Bou Othmane Cercle Jebilet Mountain (Djebilet Mountain) Sidi Bou Othmane ⓘ El Rhaba pegmatite	[Columbite-(Fe)] Favreau (2012)
ⓘ Mrirat pegmatite	[Columbite-(Fe)] Favreau (2012)

Mozambique	[Tantalite-(Mn)]

Nampula Province Ribaué District ⓘ Boa Esperança Mine	Lima de Fari (1956) +1 other reference
Zambezia Province ⓘ Alto Ligonha Pegmatite Field	[Columbite-(Fe), Stibiotantalite, Tantalite-(Fe), Tantalite-(Mn)] Wilson et al. (2000)
Gilé district ⓘ Napakhala	[Stibiotantalite, Tantalite-(Fe), Tantalite-(Mn)] Simon Philippo Collection
ⓘ Manica Pegmatite	[Stibiotantalite] Wilson et al. (2000)
Alto Mólocuè District ⓘ Moneia Mine	[Tantalite-(Mn)] Melcher et al. (2015)
ⓘ Murropoci-Nuaparra group	Wilson et al. (2000)
ⓘ Mutala pegmatite area	[Tantalite-(Mn)] Johan Kjellman collection
Gilé District ⓘ Maridge Pegmatite	[Stibiotantalite] Wilson et al. (2000)
ⓘ Muhano-Majamala-Cochiline Pegmatite Group	Wilson et al. (2000)
Muiane-Naipa group ⓘ Muiâne pegmatite (Muiâne mine; Emdal mines)	[Stibiotantalite, Tantalite-(Mn)] von Knorring et al. (1963) +1 other reference
ⓘ Naipa mine	[Columbite-(Mn), Stibiocolumbite, Stibiotantalite, Tantalite-(Mn)] Wilson et al. (2000)
ⓘ Naiume Pegmatite	Wilson et al. (2000)
ⓘ Namivu Pegmatite (Namivo Pegmatite)	[Columbite-(Mn)] Neiva et al. (2005) +1 other reference
ⓘ Nampoça Pegmatite	Lima de Faria et al. (1966)
ⓘ Nanro Pegmatite (Nacuissupa Pegmatite; Naquissupa Pegmatite)	Cilek
Mocuba District Mocuba ⓘ Bismuto pegmatite	Moiana (2010)
ⓘ Ígaro pegmatite	Moiana (2010)
ⓘ Melatube pegmatite	[Columbite-(Fe)] Moiana (2010)
Mulevala District ⓘ Marropino mine (Maropine mine)	[Tantalite-(Mn)] Schappmann (2005)
ⓘ Morrua Mine	[Columbite-(Fe), Columbite-(Mn), Stibiotantalite, Tantalite-(Mn)] Wilson et al. (2000)

Myanmar
Mandalay Region Pyin-Oo-Lwin District Mogok Township Kyauk-Pyat-That Sakangyi ⓘ Sakangyi pegmatites	Praszkier et al. (2012)
Thurein-taung ⓘ Myan Gyi mine (Myaing-Gyi mine)	[Columbite-(Mn)] Pavel M. Kartashov analytical data (2011)
Singu Township Letpanhla Male (Marle; Marla) ⓘ Pyingyi Taung	[Stibiotantalite] Crystal-Treasure.com
Shan State Kyaukme District Momeik Township Molo quarter Khetchel village (Cache village; Khat Che village) ⓘ Palelni mine ("Kat Chay mine")	[Columbite-(Mn), Stibiotantalite] Pavel M. Kartashov analytical data (2010)
ⓘ Phenakite Mine	[Columbite-(Mn)] Mineralogical Magazine +1 other reference
Taunggyi District Nyaungshwe Township ⓘ Myinmati W-Sn-polymetallic deposit	[Columbite-(Fe), Tantalite-(Fe)] Hong Wang et al. (2013)

Namibia
Erongo Region Arandis Constituency Rössing Mountains area ⓘ Hoffnungsstrahl pegmatite	von Bezing (2007)
Dâures Constituency ⓘ Sandamap North Farm 115	[Columbite-(Fe)] von Bezing (2007)
ⓘ Sandamap pegmatite	[Columbite-(Fe), Tantalite-(Fe)] in the collection of F.J.Emmerich
ⓘ Uis	Bezing et al. (2007)
ⓘ Uis Pegmatites	Bezing et al. (2007) +1 other reference
ⓘ Erongo Mountains	portal.unesco.org (n.d.)
Karibib Constituency Abbabis Farm 70 ⓘ No. 1 pegmatite	[Columbite-(Fe)] Förch (1998)
Davib Ost Farm 61 ⓘ Carsie pegmatite	[Tantalite-(Fe)] Cairncross et al. (2006)
ⓘ Davib Mine	[Tantalite-(Fe)] Cairncross et al. (2006)
Erongorus Farm 166 ⓘ Pieters Hill	[Tantalite-(Fe)] Cairncross et al. (2006)
Etiro Farm 50 ⓘ Etiro pegmatite	portal.unesco.org (n.d.)
Etusis Farm 75 ⓘ Heckerts pegmatite	Keller (1991)
ⓘ Neuschwaben Farm 73 (Neu Schwaben)	[Columbite-(Fe)] von Bezing (2007)
Okongava Ost Farm 72 ⓘ Helikon II pegmatite	[Columbite-(Mn)] Keller (1991)
ⓘ Rubikon Mine	[Columbite-(Fe), Columbite-(Mn)] Bezing et al. (2007) +1 other reference
Otjua Farm 37 ⓘ Otjua Mine	von Bezing (2007)
Schlucht Farm 162 ⓘ Van der Made pegmatite	[Tantalite-(Fe)] Cairncross et al. (2006)
Tsaobismund Farm 85 ⓘ Brockmann's pegmatite	[Columbite-(Fe)] Keller (1991) +1 other reference
Omaruru Constituency ⓘ Krantzberg Mine	Jahn et al. (2006) +1 other reference
Hardap Region Daweb ⓘ Neuhof Reserve Farm 100	von Bezing (2007)
Kunene Region Khorixas ⓘ Lofdal-Bergville REE deposit	[Columbite-(Fe)] Bodeving (2015)
ǁKaras Region Berseba Constituency ⓘ Aukum Farm 104	von Bezing (2007)
Karasburg East ⓘ Tantalite Valley	von Bezing (2007)
ⓘ Homestead pegmatite	[Tantalite-(Mn)] Baldwin (1989)
ⓘ T pegmatite	Baldwin (1994)
ⓘ Witkop pegmatite	Baldwin (1994)

Nepal
P1 Koshi Pradesh Sankhuwasabha District ⓘ Hyakule pegmatite	[Stibiotantalite] - (n.d.)
Taplejung District Phaktanglung Ikhabu Pegmatite Field ⓘ Yamrang Pegmatite	Bhandari et al. (2022)

Niger
Agadez Tchirozerine ⓘ Tarraouadji Massif	[Columbite-(Fe)] J. Fabriès and G. Rocci (1965)

Nigeria
ⓘ Bauchi	[Columbite-(Fe)] Melcher et al. (2015)
Ningi Kalato ⓘ Tibchi complex	[Columbite-(Fe)] Sakoma et al. (2002)
Kogi Adavi ⓘ Okene-Lokoja-Kabba roads junction pegmatite	[Columbite-(Fe), Tantalite-(Fe)] Rotimi et al. (2012)
Nasarawa ⓘ Kokona	[Tantalite-(Mn)] Knut Edvard Larsen (2023)
Plateau Jos Plateau Younger ring complex ⓘ Jos-Bukuru	[Columbite-(Fe)] Woolley (2001)

North Korea
Kangwon Province Pyonggang County ⓘ Abdong Zr-Nb deposit (Aptong; Apdong)	[Columbite-(Fe)] Pavel M. Kartashov (n.d.)

Norway
Agder ⓘ Arendal	[Columbite-(Fe)] Balassone et al. (2015)
Birkenes Vegusdal ⓘ Katterås	[Columbite-(Mn)] Bjorlykke (1937)
ⓘ Katterås 4 Feldspar Quarry	[Tantalite-(Mn)] Frigstad (1968) +1 other reference
ⓘ Eptevatnet	[Columbite-(Fe)] Selbekk et al. (2008)
Evje og Hornnes Ås ⓘ Ås 2 Feldspar Quarry	[Columbite-(Fe)]
ⓘ Landsverk	[Columbite-(Fe)] Selbekk et al. (2008)
ⓘ Landsverk 1 Feldspar Quarry (Jokeli)	[Columbite-(Fe)] Larsen (2001) +1 other reference
Lauvland ⓘ Brattekleiv Feldspar Quarry (Lauvland 04)	[Columbite-(Fe), Tantalite-(Fe)] Harries (2020)
ⓘ Lauvland 05a Feldspar Quarry	[Tantalite-(Fe)] Neumann (1985) +1 other reference
Li ⓘ Li 06 Feldspar Quarry	[Tantalite-(Mn)] Stensrud (2009)
Flekkefjord ⓘ Hidra	[Columbite-(Fe)] Müller et al. (2017)
Iveland Birkeland ⓘ Birkeland 03 Feldspar Quarry	[Tantalite-(Mn)] Frigstad (1968) +1 other reference
ⓘ Birkeland 04 Feldspar Quarry	[Tantalite-(Mn)] Frigstad (1968) +1 other reference
ⓘ Eptevatnet 04 Feldspar Quarry (Hovåsen)	[Columbite-(Fe), Columbite-(Mn)] Collection of the Iveland Municipality ...
ⓘ Fossbekk Feldspar Quarry	[Columbite-(Fe)] Lund (2016)
Frikstad ⓘ Frikstad 02 Feldspar Quarry (Litjern)	[Tantalite-(Mn)] Frigstad (1968) +1 other reference
ⓘ Frikstad 07 Feldspar Quarry	[Columbite-(Fe)] Revheim (2004)
ⓘ Håverstad	[Columbite-(Fe)] Selbekk et al. (2008)
ⓘ Håverstad 08b Prospect	- (n.d.)
ⓘ Kåbuland	[Columbite-(Mn)] Selbekk et al. (2008)
ⓘ Landås	[Columbite-(Fe)] Selbekk et al. (2008)
Beinmyr Feldspar Quarries (Landås 07 Quarries) ⓘ Landås 07h Feldspar Prospect (Beinmyr 8)	[Tantalite-(Mn)] Stensrud (2009)
ⓘ Landås 01 Feldspar Quarry	[Columbite-(Mn), Tantalite-(Fe)] Bjørlykke (1935) +1 other reference
ⓘ Ljosland	[Columbite-(Fe)] Selbekk et al. (2008)
ⓘ Ljosland 03 Feldspar Quarry	[Columbite-(Fe)] Lund (2016)
ⓘ Mølland	[Columbite-(Mn), Tantalite-(Mn)] Müller et al. (2017)
Rostadheia ⓘ Mølland 09 Feldspar Quarry	[Tantalite-(Mn)] Frigstad (1968)
ⓘ Rossås	[Columbite-(Fe)] Selbekk et al. (2008)
ⓘ Solås Pegmatite	[Columbite-(Fe)] Müller et al. (2012)
Tveit ⓘ Steli Feldspar Quarry (Tveit 03)	[Columbite-(Fe)] Selbekk et al. (2008) +1 other reference
Kristiansand ⓘ Vige Ferry Embankment	[Tantalite-(Mn)] Frigstad (1970) +1 other reference
Risør Søndeled ⓘ Ramskjær Feldspar Quarry	[Columbite-(Fe)] Selbekk et al. (2008) +1 other reference
Akershus Hurdal ⓘ Fagerliåsen	[Columbite-(Fe), Columbite-(Mn)] Folvik (2007)
Lunner ⓘ Gjerdingselva	[Columbite-(Fe)] Kvamsdal (2020)
Buskerud Øvre Eiker Gunhildrud ⓘ Bakstevalåsen	[Columbite-(Fe)] Jahren et al. (1998)
Nordland Alstahaug Sandnessjøen Botn ⓘ Sandnessjøen Pegmatite	Nordrum et al. (1999)
Hamarøy Drag ⓘ Erlinggruva	[Columbite-(Fe)] Husdal (2008)
ⓘ Jennyhaugen	[Columbite-(Mn), Tantalite-(Mn)] Tomas Husdal analytical data
Finnøya ⓘ Håkonhals Quarry	[Columbite-(Fe)] Zhou et al. (2022)
Tiltvika ⓘ Tiltvika pegmatite	[Columbite-(Fe)] Tomašić et al. (2004)
Meløy Holandsfjorden ⓘ Ågskardet LCT Pegmatite	[Columbite-(Mn)] Kristiansen (1972) +1 other reference
Narvik ⓘ Hundholmen	[Columbite-(Fe)] Husdal (2008)
ⓘ Stetind pegmatite	[Columbite-(Fe)] Husdal (2008)
Sørfold ⓘ Tennvatn pegmatite	[Columbite-(Fe), Columbite-(Mn), Stibiocolumbite, Tantalite-(Mn)] Husdal (2008)
Østfold Halden Idd Aspedammen ⓘ Herrebøkasa	[Columbite-(Fe), Columbite-(Mn)] Selbekk et al. (2008)
ⓘ Moss	[Columbite-(Mn)] Shen (2021)
ⓘ Dillingøya (Dillingö)	[Columbite-(Fe)] Selbekk et al. (2008)
ⓘ Hattvik Feldspar Quarry	[Tantalite-(Fe)] Selbekk et al. (2008)
Rygge Dramstad ⓘ Feøya	[Columbite-(Fe)] Selbekk et al. (2008)
ⓘ Kure Mine	[Columbite-(Fe)] Selbekk et al. (2008)
Vannem ⓘ Moss Quarry (Skolt Quarry)	[Columbite-(Fe)]
ⓘ Råde	[Columbite-(Fe), Columbite-(Mn)] Balassone et al. (2015)
ⓘ Berg	[Columbite-(Fe)] Brøgger (1897) +1 other reference
ⓘ Fuglevik	[Columbite-(Fe)] Selbekk et al. (2008)
ⓘ Halvorsrød	[Tantalite-(Mn)] Selbekk et al. (2008)
ⓘ Skråtorp	[Columbite-(Fe)] Selbekk et al. (2008)
ⓘ Spro	[Columbite-(Fe)] Selbekk et al. (2008)
Sarpsborg Ryen ⓘ Ryen Quarry	[Columbite-(Fe)] Kristiansen (2022)
Våler ⓘ Ånnerud (Ånnerød)	[Columbite-(Fe)] Selbekk et al. (2008)
ⓘ Aslaktaket Quarry	[Columbite-(Fe)] Ray Schortmann
ⓘ Vintergruben Quarry	[Columbite-(Fe)] Müller et al. (2017)
Rogaland Vindafjord Vats ⓘ Krakkanuten pegmatite	[Columbite-(Fe)] Størseth (2003)
ⓘ Thor's Mine	[Columbite-(Fe)] Selbekk et al. (2008) +1 other reference
Svalbard Spitsbergen Hornsund ⓘ Skoddefjellet Pegmatite	[Columbite-(Fe), Columbite-(Mn)] Pršek et al. (2010)
Telemark Drangedal Tørdal ⓘ Heftetjern pegmatite	[Tantalite-(Fe)] Raade et al. (2000)
Kragerø ⓘ Tangen Feldspar Mine	[Columbite-(Fe), Columbite-(Mn)] Selbekk et al. (2008) +1 other reference
Tokke Klauvreid ⓘ Klauvreid Pegmatite Quarries	[Columbite-(Mn)] Larsen. A.O. & Åsheim (2008)
ⓘ Spafjell	[Columbite-(Mn)] Jan Andersen specimen. Analyzed by ...
Troms og Finnmark Tjeldsund ⓘ Tjeldøya	[Stibiotantalite] Rune S. Selbekk (2010) +1 other reference
Vestfold Larvik Commune Tjølling Håkestad ⓘ Håkestad Quarry	[Columbite-(Fe)] Engvoldsen et al. (1991) +1 other reference

Pacific Ocean
Sea of Japan ⓘ Belyaevsky Rise	[Tantalite-(Mn)] Volokhina et al. (2020) +2 other references

Pakistan
Gilgit-Baltistan Astore District Drot Valley ⓘ Bulochi	[Tantalite-(Mn)] TVM Specimen
ⓘ Roundu District	[Stibiotantalite] MIM Museum collection
Haramosh Mountains ⓘ Stak Nala	[Columbite-(Mn), Stibiocolumbite, Stibiotantalite, Tantalite-(Mn)] Laurs et al. (1998)
ⓘ Shengus	[Columbite-(Fe), Columbite-(Mn), Stibiotantalite, Tantalite-(Mn)]
Shigar District Braldu Valley ⓘ Chhappu	[Tantalite-(Mn)] - (2004)
ⓘ Dassu	[Tantalite-(Mn)] Laurs et al. (1998) +2 other references
ⓘ Shigar Valley	[Columbite-(Fe), Tantalite-(Mn)] AM Mizunaka
ⓘ Mungo high mines	[Tantalite-(Mn)] Blauwet et al. (2004)
ⓘ Skardu Area	[Columbite-(Fe), Columbite-(Mn), Stibiocolumbite, Stibiotantalite, Tantalite-(Mn)] imported from Shigar District +2 other references

Poland
Lower Silesian Voivodeship Dzierżoniów County Gmina Dzierżoniów Owiesno Kietlice ⓘ Owiesno-Kietlice area pegmatite occurrences	[Columbite-(Fe)] Łodziński M. 2008: Chemical ... +1 other reference
Piława Górna ⓘ DSS Piława Górna Quarry	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] PIECZKA et al. 2010: Nb-Ta minerals in ...
ⓘ Julianna pegmatite	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] Pieczka et al. (2012) +1 other reference
ⓘ Lithium pegmatite	[Columbite-(Mn), Tantalite-(Mn)] Pieczka et al. (2012)
Karkonosze County Szklarska Poręba ⓘ Szklarska Poręba Huta granite quarry	[Columbite-(Fe)] Evans et al. (2018)
ⓘ Strzelin County	[Columbite-(Fe)] Łodziński M. 2008: Chemical ...
Gmina Przeworno ⓘ Romanów	[Columbite-(Fe)] Lis et al. (1986)
Świdnica County Gmina Strzegom Żółkiewka ⓘ Andrzej I quarry	[Columbite-(Mn)] Szełęg et al. (2010)
Gmina Świdnica ⓘ Michałkowa pegmatites	[Columbite-(Fe)] Eligiusz Szełęg collection
ⓘ Góry Sowie Block	[Columbite-(Fe)] Pieczka et al. (2017)
Wrocław County Gmina Jordanów Śląski ⓘ Jordanów nephrite quarry	[Columbite-(Mn)] Pieczka et al. (2024) +1 other reference
Ząbkowice Śląskie County Gmina Ząbkowice Śląskie Szklary ⓘ Mt. Szklana Mine (Szklary pegmatite)	[Columbite-(Mn), Stibiocolumbite, Stibiotantalite, Tantalite-(Mn)] Pieczka (2000) +3 other references
ⓘ Szklary nickel deposit	[Columbite-(Mn), Stibiocolumbite, Tantalite-(Mn)] Pieczka et al. (2001)

Portugal
Beja Beja Santa Vitória e Mombeja ⓘ Ferrarias e Castelo Mine	[Columbite-(Fe)] Oliveira et al. (2025)
Braga Amares Bouro (Santa Maria) ⓘ Dornas Mine	Gomes et al. (APG)
Terras de Bouro Covide ⓘ Covide quarry	[Columbite-(Fe)] Mineralizações e Recursos de Tântalo no Norte de Portugal - Análise Paragenética" - Carlos Augusto Alves Leal Gomes (2016)
Vieira do Minho Anjos e Vilar do Chão Muro Alto Mine ⓘ Eastern pegmatite	[Columbite-(Mn), Tantalite-(Mn)] Dias et al. (2009)
ⓘ Western pegmatite	[Columbite-(Fe), Tantalite-(Fe)] Dias et al. (2009)
Bragança Vinhais Ervedosa ⓘ Ervedosa Mine (Tuela Mine)
Castelo Branco Belmonte Belmonte e Colmeal da Torre ⓘ Colmeal Mines
Covilhã Barco e Coutada ⓘ Argimela Mine (Argemela Mine)	B. Charoy et al.
Idanha-a-Nova União das Freguesias de Zebreira e Segura ⓘ Segura Mines (Segura mining field)	[Columbite-(Fe), Columbite-(Mn)] Antunes et al. (2013)
Guarda Guarda ⓘ Gonçalo	[Columbite-(Mn)] Neiva et al. (2000) +1 other reference
ⓘ Alvarrões Mine	[Columbite-(Fe), Columbite-(Mn)] Fabre (n.d.)
Vela ⓘ Covão quarry	[Tantalite-(Mn)] Alves (n.d.)
ⓘ Vela Nordeste quarry	[Tantalite-(Mn)] Pedro Alves collection. Characterized ...
Sabugal Bendada ⓘ Bendada Mines	[Columbite-(Mn)] Rui Nunes - June 2008
ⓘ Panasqueira Mines	Figueiras +3 other references
Porto Amarante Rebordelo ⓘ Vieiros Mines	Maijer 1965
Viana do Castelo Ponte da Barca Vila Chã (São João Baptista e Santiago) ⓘ Mata da Galinheira Mine	[Columbite-(Fe)] PROSPEG – Projecto de prospecção +1 other reference
Valença do Minho Gondomil e Safins ⓘ Eiras quarry	[Columbite-(Fe)] Nuno Afonso collection (XRD-analysed)
Viana do Castelo Montaria ⓘ Serra de Arga	[Columbite-(Fe)] Dias P et al. (2014)
ⓘ Nogueira， Meixedo e Vilar de Murteda	4 +4 other references
Vila Real Alijó São Mamede de Ribatua ⓘ Alijó spodumene pegmatite	[Columbite-(Fe)] Garate-Olave et al. (2024)
ⓘ Barroso-Alvão pegmatite field	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] Martins et al. (2011)
Viseu Sátão Ferreira de Aves Aldeia Nova ⓘ Assunção Mine	King (n.d.)

Romania
Harghita County Ditrău Complex ⓘ Jolotca (Orotva)	[Columbite-(Fe)] Szakáll et al. (2010)
Joseni ⓘ Belcina Creek (Belcina)	[Columbite-(Fe)] Hirtopanu et al. (2013)

Russia
Buryatia Bichursky District Mukhorshibir' settlement Zaganskii range Baits Kundui deposit ⓘ Glavnaya vein	[Columbite-(Fe)] Iovchev E.S.
Kizhinginsky District Ermakovskoe Be Deposit Zunshibir' valley ⓘ Opornyi pegmatite	[Columbite-(Fe)] Mironov A.G. and Gofman A.F (1979)
Chelyabinsk Oblast Argayashsky District ⓘ Pit No. 400	[Columbite-(Fe)] Pekov (1998) +1 other reference
Ilmen Mountains ⓘ Pit No. 298	[Columbite-(Fe)] Pavel M. Kartashov (n.d.)
ⓘ Pit No. 50 (Blyumovskaya Pit; Blum Pit)	[Columbite-(Fe), Columbite-(Mn)] Pavel M. Kartashov (n.d.) +2 other references
ⓘ Ilmen Nature Reserve	[Columbite-(Fe)] Sorokina et al. (2016)
Karabash ⓘ Dumortierite mine	[Tantalite-(Mn)] Scott (2012)
Kartalinsky District Zhabyk-Karagay massif Annenskoye pegmatite field ⓘ Lepidolite vein	[Columbite-(Mn), Stibiotantalite] Popova et al. (2010)
Plastovsky District ⓘ Malyginsky Quarry	[Columbite-(Fe)] webmineral.ru (2021)
Svetlyi ⓘ Svetlinsky pegmatite quarry	[Columbite-(Fe), Columbite-(Mn), Stibiotantalite, Tantalite-(Fe), Tantalite-(Mn)] Pavel M. Kartashov analytical data 2009
Vishnevye Mountains Kobelikha Mt. ⓘ Unnamed quarry	[Columbite-(Fe)] Nishanbaev et al. (2016)
Chukotka Autonomous Okrug Chukchi Peninsula (Chukotka Peninsula; Chukotski Peninsula) ⓘ Severny pluton	[Columbite-(Mn)] Alekseev (2025)
Irkutsk Oblast ⓘ Bol’shaya Tagna massif	[Columbite-(Mn)] Andreeva et al. (2006)
ⓘ Goltsovoe Li deposit (Gol'tsy; Goltsovskoe)	[Tantalite-(Mn)] webmineral.ru (2021)
ⓘ Vishnyakovskoe Rb-Ta deposit (Elash)	[Tantalite-(Mn)] Makagon (2007) +1 other reference
Komi Republic Timan Range Verkhne-Shugorskoe bauxite deposit ⓘ Borehole #10855	[Columbite-(Fe)] Udoratina et al. (2024)
Krasnoyarsk Krai Boguchansky District Chadobets alkaline complex ⓘ Chuktukon carbonatite massif	[Columbite-(Fe)] Sharygin et al. (2017, August)
Murmansk Oblast ⓘ Eveslogchorr Mt	[Columbite-(Fe)] Ivanyuk et al. (2007)
Kola Peninsula ⓘ Kolmozero-Voronye belt	[Columbite-(Fe), Tantalite-(Fe)] Huber et al. (2023)
Kolsky District ⓘ Shongui deposit	[Columbite-(Fe), Columbite-(Mn)] Zozulya et al. (2024)
ⓘ ~~Lovozero Massif~~	[Columbite-(Fe)] ...
Lovozersky District Karnasurt Mountain ⓘ Yubileinaya pegmatite	[Tantalite-(Mn)] D’yachkov et al. (2022)
Keivy Mountains Western Keivy Massif ⓘ Ploskaya Mountain	[Columbite-(Mn)] Voloshin A.V. et al. (1986)
ⓘ Voron'i Tundry	[Tantalite-(Mn)] Ponomareva et al. (2022)
ⓘ Kolmozerskoe deposit	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] Zozulya et al. (2024)
ⓘ Okhmyl'k Mt	[Columbite-(Mn), Tantalite-(Mn)] Zozulya et al. (2024)
ⓘ Polmos deposit	[Columbite-(Fe)] Zozulya et al. (2024)
ⓘ Vasin-Myl'k Mt	[Stibiotantalite, Tantalite-(Mn)] Pekov (1998) +1 other reference
Primorsky Krai Krasnoarmeysky District Roshchino Kedrovaya river ⓘ Nezametnoe deposit (Nezametny gold mine)	[Columbite-(Fe)] Pavel M. Kartashov (n.d.)
Republic of Karelia Loukhsky District ⓘ Elet'ozerskii massif	[Columbite-(Fe)] Sorokhtina et al. (2018)
Pitkyarantsky District Pitkyaranta mining district ⓘ Linnavaara	[Columbite-(Fe)] I.V.Pekov. E.A.Vlasov. E.A.Gerasimova Pitkyarantskaya mineralogical practice et al. (in Russian)
Sakha Polar Yakutia ⓘ Tomtor Massif	[Columbite-(Fe)] S.M. Kravchenko data +1 other reference
Verkhoyansk District Yana River Basin Yana-Adycha Region ⓘ Arga-Ynnakh-Khaya granite Massif	[Columbite-(Mn), Tantalite-(Mn)] Alekseev et al. (2020)
ⓘ Kester harpolith	[Columbite-(Fe), Tantalite-(Mn)] Alekseev et al. (2020)
ⓘ Kester deposit	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] Alekseev et al. (2020) +1 other reference
Sverdlovsk Oblast Adui Batholith ⓘ Semininskaya mine	[Columbite-(Fe), Columbite-(Mn)] Vital'Evna (2021)
Malyshevo Izumrudnye Kopi area ⓘ Krasnoarmeiskii mine	[Columbite-(Mn)] Pavel M. Kartashov analytical data (2012)
Prigorodny District Yuzhakovo Alabashka pegmatite field ⓘ Kazennitsa vein (Kazionnitsa)	[Tantalite-(Fe), Tantalite-(Mn)] webcenter.ru (2002)
Rezhevsky District Lipovsk pegmatite field ⓘ Lipovka Mine (Lipovskoe Mine; Lipovskaya Mine; Lipovaya Mine)	[Columbite-(Fe), Columbite-(Mn), Stibiocolumbite, Stibiotantalite, Tantalite-(Fe), Tantalite-(Mn)] Zap. Vseross. Mineral. Obshch. (2) +2 other references
ⓘ Lipovskoye pegmatite field	[Columbite-(Fe)] Zakharov et al. (2022)
Tuva ⓘ Belaya Zima REE-Nb deposit	[Columbite-(Fe)] Doroshkevich et al. (2016)
Kaa-Khemsky District Erzin massif ⓘ Ulug-Tanzek deposit	[Columbite-(Fe)] Pavel M. Kartashov (n.d.)
Zabaykalsky Krai Aginsky District Khangilai pluton ⓘ Orlovka	Dolgopolova et al. (2004) +1 other reference
Baleysky District ⓘ Etyka	[Columbite-(Mn), Tantalite-(Mn)] Seltmann et al. (2010)
Kalarsky District ⓘ Katugin Ta-Nb deposit	[Columbite-(Fe)] Victor V. Sharygin analytycal data (2012) +3 other references
Khiloksky District Orlovskoye ⓘ Orlovskoye mine	[Columbite-(Fe)] Pavel M. Kartashov (n.d.)
Krasnochikoysky District Krasnyi Chikoy ⓘ Malkhan pegmatite field	[Columbite-(Mn)] Fialova et al. (2013)
ⓘ Danburitovaya pegmatite vein	[Columbite-(Mn)] Grant (2001)
ⓘ Solnechnaya pegmatite	[Stibiotantalite] Kasatkin et al. (2020)
Olovyanninsky District ⓘ Turga Massif	Ivanova et al. (2020)
Ononsky District Durulgui granite-pegmatite system ⓘ Chalotskoe deposit	[Columbite-(Fe)] Lykova I. S. et al. (2017)

Rwanda
Eastern Province Rwamagana District ⓘ Musha-Ntunga	Goodship et al. (2019) +1 other reference
ⓘ Ntunga	J. Acke et al. (2023)
Northern Province Rulindo District ⓘ Nyakabingo Mine	Chen et al. (2023)
Western Province Ngororero District ⓘ Gatumba Mining District	Gérards (1965) +1 other reference
ⓘ Gatumba pegmatite field	[Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] Pohl et al. (2013)
ⓘ Gatumba pegmatite	Bertossa
Muhororo ⓘ Buranga pegmatite	[Tantalite-(Fe), Tantalite-(Mn)] Bertossa (1968) +1 other reference
ⓘ Rongi Amblygonite Pegmatite	[Columbite-(Fe)] Melcher et al. (2015)
ⓘ Rusororo pegmatite	Bertossa
Rutsiro District ⓘ Lutsiro	[Columbite-(Fe)] Daltry et al. (1998)

Saudi Arabia
Tabuk Region Midyan ⓘ Jabal Tawlah	[Columbite-(Fe)] Atencio et al. (2015)

Serbia
Central Serbia Mačva District Šabac ⓘ Cer Mountain (Mt. Cer)	Lazić et al. (2009)

Slovakia
Banská Bystrica Region Banská Bystrica District Brusno ⓘ Sopotnická Valley	[Columbite-(Fe), Columbite-(Mn)] Uher
Bratislava Region Bratislava ⓘ Bratislava I	[Tantalite-(Fe)] Koděra (1986)
Staré Mesto Mlynská valley ⓘ Pri Habánskom mlyne street	[Columbite-(Fe)] Uher et al. (1994)
Bratislava IV Devín ⓘ Jezuitské Lesy	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] Chudík et al. (2011)
Pezinok District Limbach ⓘ Limbach Brook	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] Uher et al. (2006) +1 other reference
Pezinok Slnečné Valley ⓘ Alluvial placers	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] Uher et al. (n.d.)
Košice Region Rožňava District Dobšiná Dobšiná mining district ⓘ Malá Vlčia Valley pegmatite vein	[Columbite-(Mn)] Uher P. et al. (2018)
ⓘ Gemerská Poloma	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] Koděra (1986)
Dlhá Valley ⓘ Greisen outcrop	[Columbite-(Fe), Columbite-(Mn)] Martin Števko-unpublished
Spišská Nová Ves District Hnilec ⓘ Medvedí potok Sn deposit	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] Koděra (1986)
Trenčín Region Prievidza District Jalovec ⓘ Ráztočno pegmatite	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe)] Uher (stredné Slovensko)
Liešťany ⓘ Granitic pegmatite	[Columbite-(Fe), Tantalite-(Fe)] Uher P. et al. (2020)
Trnava Region Piešťany District ⓘ Moravany nad Váhom	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] Uher et al. (Považský Inovec)
ⓘ Striebornica	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] Uher P.
Žilina Region Liptovský Mikuláš District Dúbrava ⓘ Dúbrava Sb deposit	[Columbite-(Fe), Columbite-(Mn), Stibiotantalite] Uher P.

South Africa
Limpopo Waterberg District Municipality Modimolle-Mookgophong Local Municipality Mookgophong ⓘ Buffalo Fluorspar Mine	[Columbite-(Fe)] Atanasova et al. (2016)
North West Bojanala Platinum District Municipality Moses Kotane Local Municipality ⓘ Pilanesberg Alkaline Ring Complex	[Columbite-(Mn)] R. Liferovich -L. Horváth p.c. 2004
Northern Cape Namakwa District Municipality Nama Khoi Local Municipality Steinkopf ⓘ Blue feldspar reef	Baldwin (1994)
ⓘ Jakkalswater (Jackal's Water; Noumas I pegmatite; Blesberg mine)	[Tantalite-(Mn)] Baldwin (1989)
ⓘ Noumas I pegmatite (Blesberg)	Gauert C et al. (2014)
ZF Mgcawu District Municipality Kai !Garib Local Municipality Kenhardt ⓘ Angelierspan II pegmatite	Cairncross et al. (1995)
ⓘ Angelierspan III pegmatite	Baldwin (1994)

South Korea
Gangwon Province Hongcheon County ⓘ Hongcheon Carbonatite	[Columbite-(Mn)] Pavel M. Kartashov's analytical data
North Chungcheong Province Chungju City Joongwon-gun Mt. Eorae ⓘ Chungju deposit	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe)] Pavel M. Kartashov (n.d.)

Spain
Andalusia Córdoba Hornachuelos Sierra Albarrana ⓘ Cerro de la Sal quarry	Maria del Mar Abad-Ortega and Fernando ...
Canary Islands Santa Cruz de Tenerife Province Tenerife Candelaria Barranco Hondo ⓘ ~~Lava flow~~	[Columbite-(Fe)] Dill et al. (2023)
Castile and Leon Salamanca Aldea del Obispo ⓘ Castillejo de Dos Casas	[Columbite-(Mn)] Roda-Robles M E et al. (2014)
Garcirrey ⓘ Julita quarry (Cañada pegmatite)	[Columbite-(Fe)] Encarnación Roda-Robles (2007) +1 other reference
Golpejas Golpejas Mining group ⓘ Tita Mine	[Tantalite-(Fe)] Calvo (2009)
ⓘ La Canalita Sn-rich pegmatitic dykes	[Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] Losantos et al. (2025)
ⓘ La Fregeneda	[Columbite-(Fe)] Encarnación Roda-Robles (2007)
ⓘ Feli deposit	[Columbite-(Mn)] Encarnación Roda-Robles (2007)
Villar de la Yegua ⓘ Barquilla Sn-Ge-Cd-Cu-Fe Deposit	[Columbite-(Mn)] Pascua et al. (1997)
Community of Madrid ⓘ La Acebeda	Angel Ortiz Maellas specimen
Soto del Real San Pedro Massif Rancajales ⓘ Unnamed pegmatite	Gonzalez del Tánago (1985)
Galicia A Coruña Lousame Vilacova ⓘ San Finx Mines	[Columbite-(Fe), Columbite-(Mn)] Garófano-Medina et al. (2021)
Ourense Viana do Bolo ⓘ Penouta mines	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] Guldris Leon +2 other references
Pontevedra Forcarei ⓘ Forcarei South pegmatite field	Fuertes-Fuente et al. (2000)
ⓘ Presqueira pegmatite	[Columbite-(Fe), Tantalite-(Fe)] Roza Llera +3 other references
Gondomar Vincios Galiñeiro Complex ⓘ Santa Marina Mine	[Columbite-(Fe), Columbite-(Mn)] NÚÑEZ-GARCÍA et al. (2012)
Lalín ⓘ Lalín pegmatite field	[Tantalite-(Fe)] Calvo (2009)

Sri Lanka
Sabaragamuwa Province Ratnapura District ⓘ Ratnapura	[Columbite-(Fe), Columbite-(Mn)] Geeth Sameera et al. (2025)
ⓘ Gem gravels	[Stibiotantalite] Ceylon Aluvial Mine (Book, Co. 2002)

Sweden
Jämtland County Bräcke ⓘ Räggen Pegmatite	Lynch et al. (2025)
Norrbotten County Luleå ⓘ Råneå	[Columbite-(Fe)] E. Welin +1 other reference
ⓘ Sörhällan quarry	[Columbite-(Fe)] Pavel M. Kartashov (n.d.) +1 other reference
Östergötland County Norrköping Kolmården ⓘ Lilla Älgsjö Quarry	[Columbite-(Fe)] Swedish Museum of Natural History (NRM)
ⓘ Stubbetorps Sarvgöl	[Columbite-(Fe)] Sundius (1951)
Stockholm County Haninge Utö ⓘ Utö Mines	[Columbite-(Mn), Tantalite-(Mn)] Langhof et al. (1998)
ⓘ Grundberg outcrop	[Columbite-(Mn), Tantalite-(Mn)] Uher et al. (2008)
Värmland County Torsby S. Finnskoga ⓘ Riddaho	[Columbite-(Mn), Tantalite-(Mn)] SEM-EDS Andreas Karlsson (sample NRM# 20140340) +2 other references
Västerbotten County Skellefteå ⓘ Åkerberg mine	Lynch et al. (2025)
ⓘ Varuträsk	[Columbite-(Mn), Stibiotantalite, Tantalite-(Mn)] Cerny et al. (2004)
ⓘ Ytterbodliden	Lynch et al. (2025)
Västernorrland County Kramfors ⓘ Sels-Vitberget	[Columbite-(Fe)] Jonsson et al. (1997) +1 other reference
Örnsköldsvik Sidensjö ⓘ Anundsböle	Lynch et al. (2025)
ⓘ Dyngselet	Lynch et al. (2025)
ⓘ Orrvik	Lynch et al. (2025)
Sundsvall ⓘ Järkvissle	Lynch et al. (2025)
Västmanland County Köping ⓘ Kolsva	[Columbite-(Fe)] Öhman (2003)
Västra Götaland County Gothenburg Västra Frölunda ⓘ Högsbo quarries	[Columbite-(Mn)] Cerny & Kjellman (unpublished)
Orust ⓘ Timmerhult	[Columbite-(Mn)]
Vänersborg Väne Ryr ⓘ Gundlebo	[Columbite-(Mn)]
ⓘ Skuleboda	[Columbite-(Mn)]

Switzerland
Grisons Maloja Region Bregaglia Upper Val Bregaglia Albigna Valley ⓘ Cantun glacier	[Columbite-(Mn)] Stalder et al. (1998)
Bondasca Valley ⓘ Pizzo Trubinasca	[Columbite-(Fe)] Stalder et al. (1998)
Löbbia ⓘ Vallun dal Largh	[Columbite-(Fe)] Stalder et al. (1998)
ⓘ Val Forno	[Columbite-(Fe)] Stalder et al. (1998)
ⓘ Cavloc lake	[Columbite-(Fe)] Stalder et al. (1998)
Muretto Valley ⓘ Muretto Pass	[Columbite-(Fe)] Stalder et al. (1998)
Moesa Region Grono Leggia ⓘ Leggia Valley	[Columbite-(Fe)] Guastoni et al. (2014)
San Vittore Monticello ⓘ Maiò Valley	[Columbite-(Fe), Columbite-(Mn)]
Ticino Locarno Brissago ⓘ Ponte Valley	[Columbite-(Fe)] Weiß (1989) +1 other reference
Centovalli ⓘ Gridone - Monte Limidario area	[Columbite-(Fe)] Weiβ et al. (2007)
Valais Visp Embd ⓘ Quartzite quarries	[Stibiocolumbite] Stalder et al. (1998)

Tajikistan
Districts of Republican Subordination ⓘ Dara-i-Pioz Massif	[Columbite-(Mn)] I. Pekov data pers. comm L. Horvath 2008
Gorno-Badakhshan Murghob ⓘ Dorozhniy pegmatite	[Columbite-(Mn)] Mirakov M.A. et al. (2018)
Shughnon Shakhdara Range ⓘ Vez-Dara River Valley	[Stibiocolumbite] Pekov (1998)

Thailand
Prachuap Khiri Khan Province ⓘ Nong Sua	[Columbite-(Fe)] Linnen et al. (1993)

Uganda
Central Region Kiboga ⓘ Kbale	[Columbite-(Mn)] von Knorring et al. (1981)
Western Region ⓘ Mbarara	[Tantalite-(Mn)]
Ntungamo Ankole pegmatite field ⓘ Byasha	[Columbite-(Mn)] von Knorring et al. (1981)
ⓘ Rwemeriro	[Columbite-(Mn)] von Knorring et al. (1981)

UK
England Cornwall Mabe ⓘ Chywoon Quarry	[Columbite-(Fe), Columbite-(Mn)] Moulding et al. (2005)
Treverbyn Stenalees ⓘ Gunheath China Clay Pit	[Columbite-(Fe), Columbite-(Mn)] Tindle (2008)
Cumbria ⓘ Caldbeck Fells Mining Region	[Columbite-(Mn)] Stanley et al. (1991)
Eden Mungrisdale ⓘ Carrock Mine	[Columbite-(Mn)] Beddoe-Stephens et al. (1981) +1 other reference
Devon West Devon Okehampton Hamlets ⓘ Meldon Aplite Quarry	[Columbite-(Mn), Tantalite-(Mn)] Knorring et al. (1984) +1 other reference
Scotland Aberdeenshire Strathdon Glenbuchat ⓘ Peatfold	Jackson (1982)

Ukraine
Kirovohrad Oblast Holovanivsk Raion ⓘ Stankuvatske Li-deposit	[Columbite-(Fe), Tantalite-(Fe)] Kurylo et al. (2022) +1 other reference
Zaporizhia Oblast Berdyansk Raion Middle Berda River Rodionovskoe pegmatite field ⓘ Krutaya Balka pegmatite	Shatalov (2017)
Pryazovske Raion Eliseevka Eliseevskoe pegmatite field ⓘ Zelenaya Mogila pegmatite	[Columbite-(Fe)] Lazarenko E.K. e.a. Mineralogy of ...
Zhytomyr Oblast Korosten Raion ⓘ Perzhanskoe ore field (Perga Be deposit)	[Columbite-(Fe)] Pavel M. Kartashov (n.d.)
Zhytomyr Raion ⓘ Khoroshiv Raion (Volodarsk-Volynskii)	[Columbite-(Fe)] Bailey (1980) +1 other reference

USA
Alabama Coosa County Rockford Mining District ⓘ McCallister pegmatite	- (1989)
Alaska Dillingham Census Area Bristol Bay Mining District ⓘ Sleitat Prospect	[Tantalite-(Fe)] - (2008)
Nome Census Area Serpentine Mining District ⓘ Kougarok prospect (Kougarok Sn deposit)	Puchner (1986) +1 other reference
Prince of Wales-Hyder Census Area Ketchikan Mining District Prince of Wales Island Bokan Mountain ⓘ Carol Ann; Carol Ann No. 1; Carol Ann No. 2; Carol Ann No 3; Dotson Prospects	- (2008)
ⓘ I and L; I and L Nos. 3-5 Prospects	- (2008)
ⓘ I Prospect	- (2008)
Arizona Maricopa County Paradise Valley ⓘ Mummy Mountain	[Columbite-(Fe)] Anthony et al. (1995)
White Picacho Mining District San Domingo Wash Morning Star Mine (Morning Star prospects; Morning Star pegmatites) ⓘ North Morning Star Mine	Jahns (1952)
Pima County Ajo Mining District Chico Shunie Hills Chico Shunie San Antonio group of claims ⓘ Valentine 1 claim	[Columbite-(Fe)] Anthony et al. (1995)
ⓘ Valentine 2 claim	[Columbite-(Fe)] Anthony et al. (1995)
ⓘ Valentine 3 claim	[Columbite-(Fe)] Anthony et al. (1995)
Yavapai County Bradshaw Mountains (Bradshaw Range) ⓘ Crown King area	Anthony et al. (1995)
ⓘ White Picacho Mining District	Jahns (1952) +1 other reference
Independence Gulch ⓘ Long Dike Mine	Meeves et al. (1966)
ⓘ Midnight Owl Mine	[Columbite-(Fe)] Anthony et al. (1995)
San Domingo Wash ⓘ Outpost Mine	MRDS database Dep. ID #10027570
ⓘ Sunrise prospect	Meeves et al. (1966)
California Riverside County Cahuilla Mining District Cahuilla Mountain ⓘ Williamson Mine (Coahuila Brave claim; Williamson Silica Mine)	[Columbite-(Fe), Stibiotantalite] Phil Osborn collection
Little Cahuilla Mountain ⓘ Fano Mine (Big Pink claim; Fano-Simmons Mine; Little Blue claim; MS 4800; Simmons Mine)	[Columbite-(Mn)] Pemberton (1983) +1 other reference
Jurupa Valley Jurupa Mountains ⓘ Jensen Quarry	[Stibiotantalite] DeVito et al. (1984)
San Bernardino County Yucca Valley ⓘ California Blue Mine	[Columbite-(Mn)] David Lowe personally analyzed sample ...
San Diego County Aguanga Mountain Mining District (Smith Mountain Mining District) Oak Grove Aguanga Mountain ⓘ Mountain Lily Mine (Emeralite No. 2 claim; Gem Mine No. 1 claim; Ware mine)	[Columbite-(Fe)] King (n.d.)
Mesa Grande Mining District Gem Hill ⓘ Himalaya Mine	[Columbite-(Mn), Stibiocolumbite, Stibiotantalite] Foord (1977)
ⓘ San Diego Mine	[Stibiotantalite] Foord et al. (1978)
ⓘ Trask Mine	[Stibiotantalite] Rynerson (1967)
ⓘ Pala Mining District	[Columbite-(Mn)] Jahns et al. (1951)
Pala Chief Mountain ⓘ Elizabeth R. Mine (Hazel W. claim)	[Columbite-(Mn), Tantalite-(Mn)] various added photos
ⓘ Oceanview Mine (Oceanview adits; new Oceanview workings)	[Columbite-(Mn)] Mauthner (2024)
ⓘ Oceanview Mine (MS 6452; MS 6848; Ocean View Mine)	[Columbite-(Mn)] description of beryl discovery on ... +2 other references
ⓘ Hiriart Mountain	[Stibiotantalite] Jahns et al. (1951) +1 other reference
ⓘ San Pedro Mine	[Tantalite-(Mn)] Jahns et al. (1951)
Vanderberg-Katerina pegmatites ⓘ Katerina Mine	[Columbite-(Fe), Stibiotantalite, Tantalite-(Mn)] Jahns et al. (1951)
ⓘ Vanderberg Mine	[Columbite-(Fe), Stibiotantalite, Tantalite-(Mn)] Jahns et al. (1951)
ⓘ White Queen Mine	[Columbite-(Mn)] Novák et al. (2000)
ⓘ Tourmaline Queen Mountain (Pala Mtn; Queen Mtn)	[Tantalite-(Mn)] Jahns et al. (1951)
ⓘ Stewart Mine	[Columbite-(Mn), Stibiotantalite, Tantalite-(Mn)] Fisher (2002)
Ramona Mining District Ramona ⓘ Hercules Mine (Beryl claim; Hercules claim; Hercules group; Hercules prospect)	[Columbite-(Fe), Columbite-(Mn)] Foord et al. (1989)
Little Three Mine area ⓘ Cable Mine (Little Three Extension prospect; New A.B.C. prospect; New ABC prospect)	[Stibiotantalite] Weber (1963) +2 other references
ⓘ Little Three Mine	[Columbite-(Fe), Columbite-(Mn), Stibiocolumbite, Stibiotantalite, Stibiotantalite var: Bismuth-bearing Stibiotantalite] Foord et al. (1989)
ⓘ Lookout Mine (Hercules group; Lookout prospect; Upper Hercules mine)	[Stibiotantalite] San Diego Mining Company
Rincon Mining District Rincon Rincon Mountain ⓘ Victor Mine (Big Buck mine; Big Buck prospect)	Dana 7:I:785.
Warner Springs Mining District Chihuahua Valley ⓘ Blue Lady Mine (Blue Tourmaline claim; Blue Bell deposit; Blue Bell mine; Exposition claim; Panama claim; San Diego claim; San Diego group)	[Columbite-(Mn)] Lavinsky (n.d.)
ⓘ Carmelita Mine (Big Spring mine; Blue Gem claim; Crest Gem mine; Elinor deposit; Elinor mine; Estudillo mine; French Pete mine; MS 6130; Peter Cabat mine)	[Stibiotantalite] Ritchie
Warner Springs ⓘ Cryo-Genie Mine	[Columbite-(Fe), Stibiotantalite] Rocks & Minerals +1 other reference
Colorado Boulder County Gold Hill Mining District ⓘ Beryl No. 1 claim	Hanley et al. (1950)
Chaffee County Cleora Mining District ⓘ Bonus Extension Mine	U.S. Geological Survey Professional ... +1 other reference
La Plata Mining District (Winfield Mining District) ⓘ Middle Mountain complex	[Columbite-(Mn)] Eckel et al. (1997)
Turret Mining District ⓘ Mica-Beryl Mine (MRDS - 10013705)	[Columbite-(Fe)] Ralph Parkes
ⓘ Rock King Mine	Hanley et al. (1950) +1 other reference
Clear Creek County Dailey Mining District (Jones Pass Mining District) ⓘ Henderson Mine	[Columbite-(Fe), Columbite-(Mn)] Freeport-McMoRan
El Paso County Cheyenne Mining District (St. Peters Dome Mining District) ⓘ St Peters Dome	[Columbite-(Fe)] Pavel M. Kartashov analytical data (2011)
ⓘ Pikes Peak	[Columbite-(Fe)] Muntyan et al. (1985)
ⓘ Stove Mountain (Cookstove Mountain)	[Columbite-(Fe)] Hanson et al. (2013)
Fremont County ⓘ Devil's Hole Mine	[Columbite-(Fe)] Eckel et al. (1997)
Eight Mile Park Pegmatite Mining District ⓘ Meyers quarry (Meyers Quarry; Meyers-Halstead Quarry; Suzana Claims; Suzanna Claims; Royal Gorge No. 2)	[Columbite-(Mn)] Eckel et al. (1997)
ⓘ Mica Lode Mine (Mica Hill Mine)	[Columbite-(Mn)] Eckel et al. (1997)
Gunnison County Quartz Creek Pegmatite Mining District ⓘ Beryl and Rare Minerals Lode	USGS Proffesional Paper 265
ⓘ Beryl claim	USGS Profesional Paper 265
ⓘ Brown Derby Mine	[Columbite-(Fe), Stibiotantalite] Rocks & Min.: 24:233-234. +1 other reference
ⓘ Brown Derby No. 1	[Columbite-(Fe), Columbite-(Mn), Stibiotantalite] King (n.d.) +1 other reference
ⓘ Brown Derby No. 5 Mine	USGS Proffesional Paper 265
ⓘ Buck Horn Mine	USGS Proffesional Paper 265
ⓘ Bucky pegmatite (New Anniversary; Willow Creek)	USGS Proffesional Paper 265 +1 other reference
ⓘ Jefferson County	[Columbite-(Fe)]
Clear Creek pegmatite Province ⓘ Burroughs Mine (Traut-Rudin-Anderson Pegmatite; Sunrise Peak Mine)	[Columbite-(Fe)] Buckskin Minerals
ⓘ Cressmans Gulch Mine (Cressmans Gulch pegmatite)	[Tantalite-(Mn)] Meeves et al. (1966)
ⓘ Silver Glen Ranch Mine	[Columbite-(Mn)] Meeves et al. (1966)
Indian Hills ⓘ Hinman Mine	[Columbite-(Mn)] Eckel et al. (1997)
South Platte Pegmatite Mining District ⓘ Little Patsy pegmatite	[Columbite-(Fe)] www.mindat.org (2016) +2 other references
ⓘ Wigwam Creek	[Columbite-(Mn)] Eckel et al. (1997)
Lake County Climax Mining District Climax ⓘ Climax Mine	[Columbite-(Mn)] Freeport-McMoRan
Larimer County Crystal Mountain Pegmatite Mining District (Storm Mountain Mining District) ⓘ Beryl No. 1 Claim	[Tantalite-(Fe)] Eckel et al. (1997)
ⓘ Big Boulder Mine (Big Boulder Beryl Mine)	[Tantalite-(Fe)] Eckel et al. (1997)
ⓘ Bull Elk Beryl Crystal #1 Mine (Bull Elk Mine; Thodab Mine)	[Columbite-(Mn)] Eckel et al. (1997)
Micanite Mining District (Currant Creek Mining District) ⓘ Rose Dawn Mine (Rose Dawn Mica Mine; North Mine)	[Columbite-(Mn)] Eckel et al. (1997)
Moffat County Great Divide Area ⓘ Housel Gulch Placer	Eckel et al. (1997)
Park County ⓘ Crystal Peak area	[Columbite-(Fe)] Eckel et al. (1997)
Guffey Mining District ⓘ Baumer Pegmatite Prospect	Eckel et al. (1997)
ⓘ Harris Park	Eckel et al. (1997)
Lake George ⓘ NC No. 1 claim (Clarence Coil claim)	[Stibiocolumbite] Eckel et al. (1997)
ⓘ McGuire pegmatite (Lone Lode; Lonesome pegmatite)	[Columbite-(Fe)] AmMin 84:754-763
ⓘ Park Border claim	[Columbite-(Mn)] Analyzed by Skip Simmons July 2012
ⓘ Teller Mine (Meyers Prospect)	Eckel et al. (1997)
ⓘ Topaz Mountain Gem Mine (Matucat Road deposits)	[Columbite-(Fe)] Dorris (2007)
Teller County ⓘ Crystal Peak	[Columbite-(Fe)] Eckel et al. (1997)
ⓘ Smoky Hawk claim	[Columbite-(Fe)] Joseph Dorris (2016)
ⓘ Wild Blue Indian prospect	[Columbite-(Fe)] Mathew Crystalman
Connecticut Fairfield County Bethel ⓘ Biermann Quarries (Bethel quarries; Codfish Hill Quarry)	[Tantalite-(Fe)] Fred Davis collection
Redding Branchville ⓘ Fillow Quarry	[Columbite-(Fe), Tantalite-(Mn)] Cameron +6 other references
Hartford County Glastonbury South Glastonbury ⓘ Hollister prospects	Cameron et al. (1954)
ⓘ Howe Quarry (Howe #1 Quarry; Huspband Quarry)	[Columbite-(Fe)] Betts (1999)
ⓘ Simpson prospect #1	[Columbite-(Fe), Columbite-(Mn)] Tony Albini Collection
ⓘ Simpson Quarry (Wiarda Quarry)	[Columbite-(Fe)] P. Cristofono collection
ⓘ Spinelli prospect (Spinelli quarry)	[Columbite-(Fe)] Davis (2011) +1 other reference
Litchfield County Harwinton ⓘ State Routes 8 and 118 interchange	Brunet (1978)
New Milford Upper Merryall ⓘ New England Mining Company Quarry	[Columbite-(Fe)] Elwell (1937)
Middlesex County Durham ⓘ Pegmatite outcrops	Collected by A. Berluti in 2009-11
East Hampton ⓘ Anderson No. 1 Mica Mine	[Columbite-(Mn), Tantalite-(Mn)] Anthony J. Albini collection
ⓘ Anderson No. 2 Mica Mine ?	[Columbite-(Fe)] Tony Albini Collection
Cobalt ⓘ State Forest Quarry No. 2	[Columbite-(Fe)] King (n.d.)
ⓘ Nathan Hall Quarry	[Columbite-(Fe), Tantalite-(Fe)] Moritz (n.d.)
ⓘ Slocum prospect	[Columbite-(Fe)] Rocks & Min.: 12:145. +2 other references
ⓘ State Forest Quarry No. 1	[Columbite-(Fe)] Moritz (n.d.)
Haddam ⓘ Chrysoberyl locality	[Columbite-(Fe)] Torrey (1822a) +2 other references
ⓘ Civilian Conservation Corps prospect (CCC prospect; Cook columbite prospect)	[Columbite-(Fe)] Hunt (1852)
Haddam Neck ⓘ Gillette Quarry (J-J Mine; Haddam Neck Quarry)	[Columbite-(Fe)] Bowman (1902) +1 other reference
ⓘ Rock Landing Quarry (Capt. Rohrback Quarry)	[Columbite-(Fe)] Montague (1937) +1 other reference
ⓘ Hewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry)	[Tantalite-(Mn)] Leif DeValentino collection
ⓘ John Salak Quarry	[Columbite-(Fe)] Schairer (1931)
Middletown ⓘ Tollgate Quarry (Tollgate Mine; Bidwell Quarry; China-stone Quarry)	[Columbite-(Fe)] Dana (1837) +2 other references
White Rock Mining District ⓘ Riverside Quarry (Western Quarry)	[Columbite-(Fe)] Moritz (n.d.)
ⓘ White Rocks Quarry (Consolidated Quarry)	[Columbite-(Fe)] Moritz (n.d.) +1 other reference
Portland ⓘ Andrews Quarry (old Hale Quarry; Grandfather Andrews Quarry)	[Columbite-(Fe)] Rocks & Min.: 16: 164-167. +2 other references
ⓘ Bordonaro Quarry	[Columbite-(Fe)] Moritz (n.d.)
ⓘ Case Quarries	[Columbite-(Fe)] Cameron et al. (1954)
ⓘ Case Quarry No. 1	[Columbite-(Fe)] Harold Moritz Collection
ⓘ Case Quarry No. 2	[Columbite-(Fe)] Webster (1978)
ⓘ Case Quarry No. 3	[Columbite-(Fe)] Cameron et al. (1954)
Collins Hill ⓘ Strickland pegmatite	[Columbite-(Mn)] Vandall Thomas King Collection
ⓘ Strickland Quarry	[Columbite-(Fe), Tantalite-(Mn)] Ralph Lieser of Pappy’s Beryl Shop +3 other references
ⓘ Gotta-Walden Prospect	Cameron et al. (1954)
ⓘ Hale Quarry (Andrews Quarry; Glastonbury Quarry)	[Columbite-(Fe)] Foye (1922) +1 other reference
ⓘ Penfield Quarry (Oak Leaf Quarry)	[Columbite-(Fe)] Rocks & Min.: 12:145. +1 other reference
ⓘ Walden Gem Quarry	[Columbite-(Fe), Tantalite-(Mn)] Seaman (1963)
New Haven County ⓘ Naugatuck	Anthony Scalzi collection
Georgia Cherokee County Ball Ground Mining District Ball Ground ⓘ Amphlett Mica Mine (Franklin Mine)	[Columbite-(Fe)] Rocks & Min.:64:189.
Paulding County Hiram ⓘ C. W. Dean Mine (Dean Mine)	[Columbite-(Fe)] Rocks & Min.:64:202.
Troup County LaGrange ⓘ Minerals Processing Company Mine (Foley Mine)	[Columbite-(Fe)] Rocks & Min.: 64:204.
ⓘ Minerals Processing Company Mine No. 8 (Hogg Estate Mine)	[Columbite-(Fe)] Rocks & Minerals 81:180-186
Smiths Crossroad ⓘ Hogg Mine (Oxford Mine)	[Columbite-(Fe)] USGS GEOLOGICAL SURVEY PROFESSIONAL ...
Idaho Clearwater County Pierce City Mining District (Placer Mining District) Pierce Divide occurrence ⓘ Fohl picnic area	[Tantalite-(Fe)] XRD by Jim Wilson of Weber State
ⓘ Sawtooth Batholith	[Columbite-(Fe)] Rocks & Min. 70:246 +3 other references
Maine Androscoggin County Auburn East Mount Apatite Mining District ⓘ Greenlaw Quarry	[Columbite-(Mn)]
ⓘ Maine Feldspar Quarry	[Columbite-(Mn), Tantalite-(Mn)]
ⓘ Smith Quarry	[Tantalite-(Mn)] Personally collected and sight ...
ⓘ Turner Quarries	[Columbite-(Fe)] King (n.d.)
West Mount Apatite Mining District ⓘ Groves Quarry (Hole in the Ground Quarry)	[Columbite-(Mn), Tantalite-(Mn)] King et al. (1994) +1 other reference
ⓘ Keith Quarry (Towne Quarry)	[Columbite-(Mn), Tantalite-(Mn)] King et al. (1994) +1 other reference
ⓘ Pulsifer Quarry & Dionne extension	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] Rocks and Minerals (1997)
Minot ⓘ Minot #2 prospect	[Columbite-(Fe)] Clifford Trebilcock
ⓘ Pitts-Tenney pegmatite prospect	[Columbite-(Fe)] King (n.d.) +1 other reference
Poland ⓘ Berry-Havey Quarry (Havey Quarry; Berry Quarry)	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] Jeffrey Morrison et al. (2018)
Cumberland County Baldwin West Baldwin ⓘ Estes Quarry	[Columbite-(Fe)] Rocks & Min. (May, 1999) +1 other reference
Brunswick ⓘ LaChance Quarry	[Columbite-(Fe)] Cameron +2 other references
Pownal ⓘ Tash Ledge locality	[Columbite-(Fe)] Morrill
ⓘ Tryon Mountain Quarries	[Columbite-(Fe)] King et al. (1994)
Standish Oak Hill area ⓘ Oak Hill columbite locality	[Columbite-(Fe)] King et al. (1994)
Franklin County D Township ⓘ Bemis Stream prospect	[Columbite-(Mn)] W. B. Thompson et al. (2005)
ⓘ Brimstone Mountain Mine	Todd Voters Collection
Madrid ⓘ Phillips Pegmatite	[Tantalite-(Fe)] Wise et al. (2012)
Oxford County Albany ⓘ Bumpus Quarry	[Columbite-(Fe)] King (2009)
ⓘ Charles Pingree Ledge Quarry	[Columbite-(Fe)] King (2009)
ⓘ Guy Johnson Quarry	[Columbite-(Fe)] King (2009)
ⓘ Scribner Ledge Quarry	[Columbite-(Fe)] King (2009)
ⓘ Songo Pond Quarry (Kimball Ledge Quarry)	[Columbite-(Fe)] King (2009)
ⓘ Wentworth Quarry	[Columbite-(Fe)] King (2009)
Buckfield ⓘ Bennett Quarry	[Columbite-(Mn), Tantalite-(Mn)] King (2000)
ⓘ Orchard Quarry	[Columbite-(Fe)] SEM-EDS analysis of the ferrocolumbite +2 other references
Gilead ⓘ Wheeler Quarries	[Columbite-(Fe)] King (2009)
Greenwood ⓘ Hayes Ledge Quarries (East and West)	[Columbite-(Fe)]
ⓘ Heikkinen Quarry	[Columbite-(Fe)] King (n.d.)
ⓘ Noyes Mountain Quarry (Harvard Quarry)	[Columbite-(Mn)] Scott Whittemore
ⓘ Tamminen Quarry	[Columbite-(Mn), Tantalite-(Mn)] W. B. Thompson et al. (2005)
Uncle Tom Mountain ⓘ Emmons Quarry	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] Falster et al. (2006) +2 other references
ⓘ Waisanen Quarry (Tamminen-Waisanen Quarry)	[Tantalite-(Mn)] King (n.d.)
Hebron Mount Rubellite ⓘ Hibbs Quarry	[Columbite-(Fe)] King (n.d.) +2 other references
ⓘ Mount Rubellite Quarries	[Columbite-(Mn)] King (n.d.)
Newry ⓘ Bell pit	[Columbite-(Fe), Tantalite-(Mn)] King et al. (1994) +1 other reference
ⓘ Crooker Gem Pegmatite Quarries	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] King et al. (1994) +1 other reference
ⓘ Dunton Gem Quarry	[Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] Vandall King
ⓘ Kinglet Prospect	[Columbite-(Fe)] Hess et al.
ⓘ Nevel Quarry	[Columbite-(Fe)] King et al. (6)
ⓘ Plumbago North Pegmatite	[Columbite-(Fe), Columbite-(Mn)] Simmons et al. (2022)
ⓘ Rose Quartz crystal locality (Pegmatite 24)	[Columbite-(Fe), Tantalite-(Mn)] King et al. (6) +1 other reference
ⓘ Timberlands Lithium Pegmatite Prospect	[Columbite-(Fe)] King (n.d.)
Norway ⓘ B.B. No. 7 Quarry	[Columbite-(Mn)]
ⓘ Dunn Quarry	[Columbite-(Fe)] King (2000)
ⓘ Horse Hill locality	[Columbite-(Fe)] King (n.d.)
Paris ⓘ Hooper Ledge Quarry	[Columbite-(Fe)] King et al. (1994) +1 other reference
ⓘ Mount Marie Quarries	[Columbite-(Fe), Columbite-(Mn)] King (n.d.)
ⓘ Mount Mica Quarry	[Columbite-(Mn)] King et al. (1994) +1 other reference
ⓘ Ryerson Hill Quarries	[Columbite-(Fe)] King (n.d.) +1 other reference
ⓘ Slattery Quarry	[Columbite-(Fe)] King (n.d.)
Peru ⓘ Perry Petalite prospect	[Columbite-(Fe), Columbite-(Mn)] Dionne et al. (2014)
Rumford ⓘ Black Mountain Quarry	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] Wise +1 other reference
ⓘ Frank Perham prospect	[Columbite-(Fe)] King (n.d.)
ⓘ Lookout Quarry	[Columbite-(Fe)] Tim Blake and Scott Soucey specimens
ⓘ Pechnic prospect	[Columbite-(Fe)] King (n.d.)
ⓘ Red Hill quarries	[Columbite-(Fe)] King (n.d.)
Stoneham ⓘ Cole Quarry	[Columbite-(Fe)] King (n.d.) +1 other reference
ⓘ Lord Hill Quarry (Lord Hill Mine)	[Columbite-(Fe)] Bastin (1911) +1 other reference
Stow ⓘ Deer Hill	[Columbite-(Fe)] King et al. (1994)
ⓘ Intergalactic Pit	[Columbite-(Fe)] King (n.d.)
Waterford ⓘ Knight #1 and #2 Quarries	[Columbite-(Fe)] Barton (1968) +1 other reference
ⓘ Saunders Mica Quarry	[Columbite-(Fe)]
Sagadahoc County Bowdoin ⓘ Booker West Quarry	[Columbite-(Fe)] John Raymond
ⓘ Coombs Quarries	[Columbite-(Fe)] Cameron +2 other references
Georgetown ⓘ Consolidated Feldspar Quarries	J
ⓘ Howard-Collins Quarry	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] King et al. (1994)
Phippsburg ⓘ Robbins Quarry	[Columbite-(Fe)] Morrill
Topsham Cathance River Nature Preserve ⓘ Swamp #1 Quarry	[Columbite-(Fe)] King et al. (1994)
ⓘ Swamp #2 quarry	[Columbite-(Fe)] King et al. (1994)
ⓘ Fisher Quarry	[Columbite-(Fe), Columbite-(Mn), Stibiotantalite, Tantalite-(Mn)]
Highland Green ⓘ Consolidated #1 Quarry	[Columbite-(Fe)] King et al. (1994)
ⓘ Consolidated #2 Quarry (Purington Quarry)	[Columbite-(Fe)] King et al. (1994)
ⓘ Mount Ararat Quarries	[Columbite-(Fe)] Bastin (1911) +2 other references
ⓘ Metcalf Quarry	[Columbite-(Fe)] King et al. (1994)
ⓘ Porcupine Hill Quarry	[Columbite-(Fe)] King et al. (1994) +1 other reference
ⓘ Russell Brothers Quarry	[Columbite-(Fe)] Cameron +2 other references
ⓘ Standpipe Hill Quarries	[Columbite-(Fe)] King et al. (1994) +1 other reference
ⓘ Yedlin Locality	[Columbite-(Fe)] Moritz (n.d.) +1 other reference
ⓘ Staples Quarry	[Columbite-(Fe)] King et al. (1994) +1 other reference
ⓘ Trenton Quarry	[Columbite-(Fe)] King et al. (1994) +1 other reference
ⓘ William Willes #1 Quarry	[Columbite-(Fe)]
Massachusetts Essex County North Andover ⓘ Route 114 pegmatite locality	Harvard Mineralogical Museum
Hampshire County Chesterfield ⓘ Clark Ledge pegmatite locality	[Columbite-(Fe), Columbite-(Mn)] "Western Massachusetts Mineral ...
Goshen ⓘ Barrus farm pegmatite localities	[Columbite-(Mn)] Peter Cristofono collection
Middlesex County Wilmington ⓘ I-93 road cut	Harvard Mineralogical Museum
Norfolk County Braintree ⓘ Gun Club Pegmatite locality	[Columbite-(Fe)] Ex: Andrew Abban Collection 1993
Michigan Dickinson County Randville ⓘ Groveland Mine	[Tantalite-(Fe)] Travis Olds collection
ⓘ Unnamed Pegmatite quarry ("Groveland" pegmatite)	[Columbite-(Fe), Tantalite-(Fe)] Heinrich et al. (2004) +1 other reference
ⓘ Sturgeon River Pegmatite Quarry	[Columbite-(Fe)] Personally collected and observed in ...
Marquette County Humboldt Township ⓘ Black River pegmatite	[Columbite-(Fe)] Columbite- (Fe)
ⓘ Crockley pegmatite	[Columbite-(Fe)] Heinrich et al. (2004)
ⓘ Unnamed outcrop (2)	[Columbite-(Fe)] Heinrich et al. (2004)
Republic ⓘ Humboldt granite	[Columbite-(Fe)] Buchholz et al. (2013)
Republic Township Republic ⓘ Unnamed pegmatite (3)	[Columbite-(Fe)] Heinrich et al. (2004)
Montana Ravalli County Mineral Point Mining District Alta ⓘ Dark Star group (Dark Star claim; Sheep Creek Adit No. 1; Sheep Creek Adit No. 2)	[Columbite-(Fe)] Tucker (n.d.) +2 other references
ⓘ Columbine claims (Columbite Occurrence (MRDS - 10221637))	[Columbite-(Fe)] Gobla (2012)
ⓘ Tirebiter No. 5 & No. 6 prospect (Tirebiter claim; Mona Lisa)	[Columbite-(Fe)] Gobla (2012)
Rye Creek Mining District ⓘ Mace Prospect (Long Prospect)	[Columbite-(Fe)] Tucker (n.d.) +1 other reference
Nevada Clark County ⓘ Eldorado Mountains	[Columbite-(Fe), Tantalite-(Mn)] Castor et al. (2004)
Eldorado Mining District (Colorado Mining District) ⓘ Newberry prospect	[Columbite-(Fe)] Castor et al. (2004)
Gold Butte Mining District ⓘ Hilltop mine ?	[Stibiotantalite] Longwell et al. (1965)
ⓘ Newberry Mountains	[Columbite-(Fe), Tantalite-(Mn)] Castor et al. (2004)
Elko County Gilbert Canyon Mining District ⓘ Unnamed Beryl prospect (MRDS10045568)	- (2005)
Valley View Mining District ⓘ Dawley Canyon area	Castor et al. (2004)
Mineral County Fitting Mining District Gillis Range ⓘ Zapot Pegmatite	[Columbite-(Mn)] Foord et al. (1999)
Washoe County ⓘ Dogskin Mountain Mining District	[Columbite-(Fe)] Russ Rizzo Collection (analyzed by J. Attard)
White Pine County Robinson Mining District Ely ⓘ Garnet Hill	[Columbite-(Fe)] Castor et al. (2004)
New Hampshire Carroll County ⓘ Albany
Blue Mountain ⓘ Moose pocket	[Columbite-(Fe)] Rocks & Min. July-Aug 2005 +1 other reference
ⓘ Government pit	[Columbite-(Mn)] Rocks&Min. 67:158-168
ⓘ Pyrochlore pocket	[Columbite-(Fe)] Rocks & Minerals (1990)
Conway North Conway ⓘ Black Cap	[Columbite-(Fe)] Camp (2011)
Redstone ⓘ Redstone "Red Granite" quarry	[Columbite-(Fe)] Camp (2011)
Wakefield ⓘ Ham and Weeks Mine	[Columbite-(Fe), Columbite-(Mn)] Rocks & Min. 80:256 (2005)
Cheshire County Alstead ⓘ George Porter Quarry ?	[Tantalite-(Mn)] USGS PP 255
Marlow ⓘ Turner Mine	[Columbite-(Mn), Tantalite-(Mn)] Czaja (2025)
Walpole ⓘ Chickering Mine	[Columbite-(Mn)] Cristofono (n.d.)
Grafton County Alexandria ⓘ E.E. Smith Mine	[Columbite-(Fe)] Morrill +1 other reference
ⓘ Pattuck Quarry	[Columbite-(Fe)] Morrill +2 other references
Grafton ⓘ Ruggles Mine	[Columbite-(Fe)] Morrill +1 other reference
Groton ⓘ Palermo No. 1 Mine	[Columbite-(Fe), Tantalite-(Fe)]
ⓘ Palermo No. 2 Mine	[Columbite-(Fe)] Whitmore et al. (2004)
ⓘ Valencia Mine	[Columbite-(Fe)] Smith (2005)
Orange ⓘ Keyes Mica Quarries	[Tantalite-(Fe)] Thompson et al. (2022)
Rockingham County Raymond ⓘ Chandler Mine	[Columbite-(Fe), Columbite-(Mn)] USGS Prof Paper 353 +2 other references
Strafford County Strafford ⓘ Parker Mountain Mine	[Columbite-(Mn)] Rocks & Min. 39:355 (1964)
Sullivan County ⓘ Acworth	[Columbite-(Fe)] King (n.d.)
New Mexico Grant County ⓘ Rabb Canyon	[Columbite-(Fe)] Northrup
Rio Arriba County ⓘ Ojo Caliente Mining District	Northrop et al. (1996)
ⓘ Prospect No. 4	Jahns (1946)
ⓘ Prospect No. 5	Jahns (1946)
ⓘ Prospect No. 6	Jahns (1946)
ⓘ Prospect No. 8	Jahns (1946)
ⓘ Star deposit	Jahns (1946)
ⓘ Petaca Mining District	[Columbite-(Mn)] Northrop et al. (1996) +1 other reference
Alamos area ⓘ Alamos deposit (Parker deposit)	[Columbite-(Mn)] Michael N. Spilde et al. (2011)
La Madera-Paloma Canyon area ⓘ La Paloma deposit	[Columbite-(Mn)] Michael N. Spilde et al. (2011)
South Petaca ⓘ Globe pegmatite (Globe Mine)	[Columbite-(Mn), Tantalite-(Fe)] Ex. Forrest Cureton
ⓘ Rociada Mining District	Northrop et al. (1996)
San Miguel County ⓘ Elk Mountain Mining District	Northrop et al. (1996)
ⓘ Tecolote District	Northrop et al. (1996)
Santa Fe County ⓘ Santa Fe District	[Columbite-(Mn)] Northrop et al. (1996)
Taos County ⓘ Picuris District	Northrop et al. (1996)
ⓘ Harding Mine	[Columbite-(Mn), Tantalite-(Mn)] Northrop et al. (1996)
New York New York City Manhattan (New York County) ⓘ 185th Street & Harlem Speedway (Harlem River Drive)	[Columbite-(Fe)] John H. Betts (2009)
Washington Heights ⓘ Fort George (192nd Street & Audubon Avenue)	[Columbite-(Fe)] John H. Betts (2009)
Westchester County Bedford ⓘ Baylis Quarry (Bayliss Quarry)	[Columbite-(Fe)] Rocks & Min.: 23:710-712.
ⓘ Kinkel Quarry	[Columbite-(Fe)] Rocks & Min.: 23:710-712.
North Carolina ⓘ Alexander County	[Columbite-(Fe)] Bernard et al. (2004)
Ashe County ⓘ Todd	[Tantalite-(Fe)] www.excaliburmineral.com Smithsonian ...
Burke County ⓘ Brittain Prospect ?	[Columbite-(Fe)] C.W. Allen collection
Cleveland County Kings Mountain ⓘ Foote Lithium Co. Mine	[Columbite-(Fe), Columbite-(Mn)] Rocks and Minerals +2 other references
Davie County ⓘ Seidtz Mine	[Columbite-(Fe)] www.John Betts.com
Gaston County ⓘ Hallman-Beam Mine (FMC-Lithco Mine; Hallman-Bean Mine; Lithium Corporation of America Mine)	[Columbite-(Fe)] Wenger et al. (1991)
ⓘ LCA Mine	[Columbite-(Fe), Tantalite-(Fe)] Rocks & Min.: 60:89.
Mitchell County Deake ⓘ Deake Mine	[Columbite-(Fe)] Dana 7:I:695 +1 other reference
ⓘ McHone Mine pegmatite	[Columbite-(Mn)] Wise et al. (2009) +1 other reference
Spruce Pine ⓘ Chestnut Flats Mine	[Tantalite-(Mn)] Reiner Mielke 2017
Greasy Creek Township ⓘ Wiseman Mine (Old Mart Wiseman Mine; Sullins-Wiseman Mine)	[Columbite-(Fe)] Genth (1891)
ⓘ McKinney Mine (Power Mill Creek Mine)	[Columbite-(Fe), Columbite-(Mn)] Rocks & Min.: 60:92.
Yancey County Burnsville Hurricane Mountain ⓘ Ray Mica Mine	[Columbite-(Fe), Tantalite-(Fe)] Miller et al. (to be published by NCGS)
Pennsylvania Chester County Valley Township Wagontown ⓘ Steidler pegmatite	[Columbite-(Fe)] Mineral News
Delaware County Middletown Township Elwyn ⓘ Mineral Hill	[Columbite-(Mn)] Gordon (1922)
Rhode Island Washington County Westerly ⓘ Redstone Granite Quarry (Cherenzia Quarry)	[Columbite-(Fe)] Miller (1971)
South Dakota ⓘ Custer County	[Tantalite-(Mn)] XRF analysis by Alfredo Petrov et al. (mine name unknown)
Custer Mining District Berne ⓘ Ross Mine	USGS Prof Paper 297F +2 other references
Custer ⓘ Beecher Lode	Meeves et al. (1966) +1 other reference
ⓘ Climax mica mine	Smith et al. (2000)
ⓘ Crown Mine (McMackin Mine)	Smith et al. (2000)
ⓘ New York Mine (Westinghouse No. 1 Mine)	Smith et al. (2000)
ⓘ Old Mike mine (Great Northern; Old Mike M.S.2212)	[Tantalite-(Fe)] Danas System of Mineralogy 7th ed
Fourmile ⓘ Helen Beryl Mine	Rocks & Minerals: 60: 117. +5 other references
ⓘ Pleasant Valley Pegmatite	Smith et al. (2000)
ⓘ Rainbow No. 4 Mine	Smith et al. (2000)
ⓘ Tin Mountain Mine	Rocks & Minerals: 60: 117-118. +5 other references
ⓘ Tip Top Mine	Campbell et al. (1985)
ⓘ Sanator area	E. L. Clopton collection #ELC 129
Unorganized mining district [1] ⓘ Corky Claim	USGS Prof Paper 297D
ⓘ Michaud Prospect	USGS PP 297d
ⓘ Red Spar Mine	USGS Prof Paper 297D
Lawrence County Tinton Pegmatite Mining District ⓘ Upper Bear Gulch	[Tantalite-(Fe)] Černý et al. (1992) +1 other reference
Pennington County ⓘ Advance claim	Roberts et al. (1965)
Harney City ⓘ Wood Tin mine	Smith et al. (2000)
Hayward ⓘ Tiger mine	Roberts et al. (1965)
Hill City Mining District ⓘ First Find Claim	Roberts et al. (1965)
Keystone Mining District Glendale ⓘ Soda Spar Pegmatite	Smith et al. (2000)
Keystone ⓘ Bob Ingersoll Mine	[Columbite-(Fe)] various added photos
ⓘ Dan Patch West Mine	U.S. Geological Survey Professional ... +2 other references
ⓘ Etta Mine	[Columbite-(Fe)] Roberts
Greyhound Gulch ⓘ King Lithia Mine	Smith et al. (2000)
ⓘ Hugo Mine	Rocks & Min.:60:110 +1 other reference
ⓘ Peerless Mine	USGS Bull 380D +3 other references
ⓘ Sitting Bull pegmatite	Norton (1964) +2 other references
ⓘ White Cap Mine	[Columbite-(Fe)] Jessica Simonoff photo
ⓘ Star Lode	Roberts et al. (1965)
Texas Hudspeth County ⓘ Sierra Blanca Peaks	[Columbite-(Fe)] Am. Min. 74:865-869 (1989)
ⓘ Round Top prospects	[Columbite-(Fe)] Elliott (2018)
Virginia Amelia County Amelia (Amelia Court House) ⓘ Champion Mine (Jefferson No. 4 Mine; Bland Mine)	Am Min 50:231-235
ⓘ Jefferson Mine	Rocks & Min.:60:165.
ⓘ Pinchbeck No. 1 Mine (Pitchbeck No. 1 Mine; Pinchback Property Mine 63)	[Tantalite-(Mn)] Dietrich (1990)
ⓘ Rutherford Mines	[Tantalite-(Mn)] a classic locality revisited. The Canadian Mineralogist (2) +3 other references
Winterham ⓘ Morefield Mine (Morefield pegmatite)	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] Rocks & Min.: 8:143-144. +1 other reference
Bedford County Moneta-Forest ⓘ Nance Mine	Rocks & Min.: 60:165.
Otter Hill ⓘ Mitchell Mine (Hottinger Mine)	Rocks & Min.: 60:165.
ⓘ Wheatley Pegmatite Mine (Big Hicks Mine; Moneta Mine)	Rocks & Min.: 60: 165.
Pittsylvania County Altavista ⓘ Pittsylvania wayside	Dietrich (1990)
Powhatan County Flat Rock ⓘ Herbb No. 2 Mine	[Tantalite-(Mn)] Dietrich (1990)
ⓘ White Peak Mines Nos. 1 through 4 (Miller Mine; Purcell Mine)	Rocks & Min.: 60:168.
Spotsylvania County Brokenburg ⓘ Edenton Mine	Rocks & Min.:60:170.
Wisconsin Dodge County ⓘ Waterloo quarry (Michels Materials Waterloo quarry; Portland Quarry)	[Columbite-(Mn), Tantalite-(Mn)] Buchholz et al. (2003) +1 other reference
Florence County Fern ⓘ Pine River pegmatites	[Tantalite-(Mn)] Rocks & Min. (2002)
ⓘ Animikie Red Ace pegmatite	[Columbite-(Fe), Columbite-(Mn), Stibiotantalite, Tantalite-(Mn)] Falster et al. (1996)
Marathon County ⓘ Wausau Intrusive Complex	Falster (1981) +1 other reference
Nine Mile Pluton ⓘ Beilke Quarry	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Mn)] Thomas Buchholz
ⓘ Charneski pit (Ladick East pit)	[Columbite-(Fe), Tantalite-(Mn)] Buchholz et al. (2002)
ⓘ Koss pit	[Columbite-(Fe), Columbite-(Mn), Tantalite-(Fe), Tantalite-(Mn)] www.uwrf.edu/~wc01
ⓘ McGuire pit (Salzman Quarry; Salzman Enterprises)	[Columbite-(Fe)] Rocks & Min. (2007)
Stettin pluton ⓘ Stettin pegmatite	[Columbite-(Fe)] Buchholz et al. (2017)
ⓘ Woodland Drive	[Columbite-(Fe)] Buchholz et al. (2012)
Shawano County Tigerton ⓘ Beryl mine	Cordua (1998)
Wood County ⓘ Cary Mound area quarries	[Columbite-(Fe)] Rocks & Minerals 82:409-410
ⓘ Haske Quarry	[Columbite-(Fe)] Buchholz et al. (2006)
Wyoming Fremont County Bridger Mts (Bridger Range) Copper Mountain pegmatite District ⓘ Bell Mine	Meeves et al. (1966)
ⓘ Kill lode	Meeves et al. (1966)
ⓘ Kunzite Mine	Meeves et al. (1966)

Uzbekistan
Navoiy Uchkuduk District ⓘ Altyntau granite pluton	[Columbite-(Fe)] Mineraly Uzbekistana (Minerals of the Uzbekistan)

Vietnam
Yên Bái Province Lục Yên District ⓘ Minh Tien Mine	[Columbite-(Mn)] Kubernátová et al. (2019)

Zambia
Copperbelt Province Lufwanyama District ⓘ Kafubu emerald mining district	[Columbite-(Mn), Tantalite-(Mn)] Wilson et al. (2010)

Zimbabwe
Manicaland Buhera District Bepe Hills ⓘ Bepe I pegmatite	Ackermann et al. (1968)
ⓘ Corundum Blue Mine	[Tantalite-(Fe)] Cairncross (2004)
Mutare District ⓘ Odzi gold belt	Southern Rhodesia Geological Survey (1959)
Mashonaland East Mudzi District ⓘ Benson Mine	[Stibiotantalite, Tantalite-(Mn)] Hornung. G. PhD thesis. Pegmatites of ...
ⓘ Benson No. 3 pegmatite	[Stibiotantalite, Tantalite-(Mn)] von Knorring et al. (1963)
ⓘ Benson No. 4 pegmatite	[Tantalite-(Mn)] Ackermann et al. (1968)
Mutoko District (Mtoko District) Mutoko parish (Mtoko) ⓘ Gooddays Mine (Good Days Mine)	[Columbite-(Mn)] Ackermann et al. (1968)
Masvingo Bikita District ⓘ Al Hayat claim	[Tantalite-(Mn)] McGregor (1946)
ⓘ Mdara Mine	[Tantalite-(Mn)] McGregor (1946) +1 other reference
Matabeleland North Hwange District Dete (Dett) ⓘ Kamativi Mine	[Columbite-(Fe)] Gallagher (1967)
ⓘ Kapata claims	[Tantalite-(Fe)] Wolfgang Hampel
ⓘ San claims	[Columbite-(Fe)] Southern Rhodesia Geological Survey (1959)
Matabeleland South Insiza District Pioneer village No. 2 ⓘ Zulu pegmatite	[Tantalite-(Mn)] HARRISON (N.M.)
Midlands Gweru District ⓘ Somabula	Oberthür et al. (2002)

The Moon
Taurus-Littrow Valley ⓘ Apollo 17 landing site	[Tantalite-(Fe), Tantalite-(Mn)] Mokhov et al. (2018)

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