Cebaite-(Ce)
A valid IMA mineral species
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About Cebaite-(Ce)
Formula:
Ba3Ce2(CO3)5F2
Colour:
Yellow to waxy-yellow
Lustre:
Vitreous, Waxy, Greasy
Hardness:
4½ - 5
Specific Gravity:
4.31 - 4.66
Crystal System:
Monoclinic
Name:
Originally named simply cebaite for the composition that includes CErium and BArium. The suffix was added in 1987 and denotes the dominant rare earth element.
This page provides mineralogical data about Cebaite-(Ce).
Unique Identifiers
Mindat ID:
923
Long-form identifier:
mindat:1:1:923:8
IMA Classification of Cebaite-(Ce)
Classification of Cebaite-(Ce)
5.BD.15
5 : CARBONATES (NITRATES)
B : Carbonates with additional anions, without H2O
D : With rare earth elements (REE)
5 : CARBONATES (NITRATES)
B : Carbonates with additional anions, without H2O
D : With rare earth elements (REE)
16a.1.9.1
16a : ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
1 : (AB)(XO3)Zq
16a : ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
1 : (AB)(XO3)Zq
12.1.21
12 : Carbonates with other anions
1 : Carbonates with halides
12 : Carbonates with other anions
1 : Carbonates with halides
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Ceb-Ce | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Cebaite-(Ce)
Vitreous, Waxy, Greasy
Transparency:
Transparent
Colour:
Yellow to waxy-yellow
Streak:
Yellow-orange to pale gray
Hardness:
4½ - 5 on Mohs scale
Cleavage:
Imperfect/Fair
{301}
{301}
Fracture:
Irregular/Uneven
Density:
4.31 - 4.66 g/cm3 (Measured) 4.81 g/cm3 (Calculated)
Optical Data of Cebaite-(Ce)
Type:
Biaxial (-)
RI values:
nα = 1.598 - 1.604 nβ = 1.735 nγ = 1.740 - 1.748
2V:
Measured: 5° to 10°, Calculated: 20° to 32°
Max. Birefringence:
δ = 0.142 - 0.144
Based on recorded range of RI values above.
Based on recorded range of RI values above.
Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.
Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.
Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars.
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.
Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.
Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars.
Surface Relief:
Moderate
Dispersion:
none
Chemistry of Cebaite-(Ce)
Mindat Formula:
Ba3Ce2(CO3)5F2
Element Weights:
Crystallography of Cebaite-(Ce)
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 21.42(5) Å, b = 5.078(5) Å, c = 13.30(5) Å
β = 94.8(2)°
β = 94.8(2)°
Ratio:
a:b:c = 4.218 : 1 : 2.619
Unit Cell V:
1,441.58 ų (Calculated from Unit Cell)
Z:
4
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0014872 | Cebaite-(Ce) | Yang Z (1995) Structure redetermination of natural cebaite-(Ce), Ba3Ce2(CO3)5F2 Neues Jahrbuch fur Mineralogie, Monatshefte 1995 56-64 | 1995 | Bayan Obo REE-Nb-Fe deposit, Inner Mongolia, China | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.98 Å | (80) |
| 3.25 Å | (100) |
| 2.52 Å | (30) |
| 2.35 Å | (30) |
| 2.20 Å | (40) |
| 2.11 Å | (80) |
| 1.99 Å | (90) |
| 1.26 Å | (30) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 4b: Highly evolved igneous rocks | >3.0 |
| 35 : Ultra-alkali and agpaitic igneous rocks | |
| 36 : Carbonatites, kimberlites, and related igneous rocks |
Type Occurrence of Cebaite-(Ce)
General Appearance of Type Material:
As tabular grains, to 0.2 mm, and granular aggregates.
Place of Conservation of Type Material:
IGG, Beijing, China, KDX 006 (type).
Associated Minerals at Type Locality:
Synonyms of Cebaite-(Ce)
Cebaite (in part)
Other Language Names for Cebaite-(Ce)
Common Associates
Associated Minerals Based on Photo Data:
| 1 photo of Cebaite-(Ce) associated with Huanghoite-(Ce) | BaCe(CO3)2F |
| 1 photo of Cebaite-(Ce) associated with Magnetite | Fe2+Fe3+2O4 |
Related Minerals - Strunz-mindat Grouping
| 5.BD. | Cordylite-(La) | (Na,Ca)Ba(La,Ce,Sr)2(CO3)4F |
| 5.BD.05 | Cordylite-(Ce) | NaBaCe2(CO3)4F |
| 5.BD.05 | Unnamed (Cordylite-like Calcium-Barium-Cerium Carbonate-Fluoride) | Ca◻Ba2Ce4[CO3]8F2 |
| 5.BD.05 | Lukechangite-(Ce) | Na3Ce2(CO3)4F |
| 5.BD.10 | Zhonghuacerite-(Ce) | Ba2Ce(CO3)3F |
| 5.BD.10 | Kukharenkoite-(Ce) | Ba2Ce(CO3)3F |
| 5.BD.10 | Kukharenkoite-(La) | Ba2(La,Ce,Th)(CO3)3F |
| 5.BD.15 | Cebaite-(Nd) | Ba3(Nd,Ce)2(CO3)5F2 |
| 5.BD.18 | Arisite-(Ce) | NaCe2(CO3)2[F2x(CO3)1-x]F |
| 5.BD.18 | Arisite-(La) | NaLa2(CO3)2[F2x(CO3)1-x]F |
| 5.BD.20c | Synchysite-(Ce) | CaCe(CO3)2F |
| 5.BD.20c | Synchysite-(Nd) | CaNd(CO3)2F |
| 5.BD.20c | Synchysite-(Y) | CaY(CO3)2F |
| 5.BD.20a | Bastnäsite-(Ce) | Ce(CO3)F |
| 5.BD.20b | Parisite-(Ce) | CaCe2(CO3)3F2 |
| 5.BD.20a | Bastnäsite-(La) | La(CO3)F |
| 5.BD.20b | Parisite-(Nd) | Ca(Nd,Ce,La)2(CO3)3F2 |
| 5.BD.20a | Bastnäsite-(Y) | Y(CO3)F |
| 5.BD.20b | Parisite-(La) | CaLa2(CO3)3F2 |
| 5.BD.20d | Röntgenite-(Ce) | Ca2(Ce,La)3(CO3)5F3 |
| 5.BD.20a | Thorbastnäsite | ThCa(CO3)2F2 · 3H2O |
| 5.BD.20a | Hydroxylbastnäsite-(Ce) | Ce(CO3)(OH) |
| 5.BD.20a | Hydroxylbastnäsite-(Nd) | Nd(CO3)(OH) |
| 5.BD.20c | Hydroxylsynchysite-(Ce) | Ca(Ce,La)(CO3)2(OH) |
| 5.BD.20c | Synchysite-(La) | Ca(La,Nd)(CO3)2F |
| 5.BD.20a | Bastnäsite-(Nd) | Nd(CO3)F |
| 5.BD.20a | Hydroxylbastnäsite-(La) | (La,Nd,Ce)(CO3)(OH,F) |
| 5.BD.25 | Qaqarssukite-(Ce) | Ba(Ce,REE)(CO3)2F |
| 5.BD.25 | Horváthite-(Y) | NaY(CO3)F2 |
| 5.BD.35 | Huanghoite-(Ce) | BaCe(CO3)2F |
| 5.BD.35 | Huanghoite-(Nd) | BaNd(CO3)2F |
| 5.BD.45 | Bayanoboite-(Y) | Ba2Y(CO3)2F3 |
Other Information
Notes:
Readily dissolves in dilute HCl and in other strong inorganic acids.
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 Cebaite-(Ce)
mindat.org URL:
https://www.mindat.org/min-923.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Cebaite-(Ce)
Reference List:
Dunn, Pete J., Chao, George Y., Fleischer, Michael, Ferraiolo, James A., Langley, Richard H., Pabst, Adolf, Zilczer, Janet A. (1985) New mineral names. American Mineralogist, 70 (1-2) 214-221
Nickel, Ernest H., Mandarino, Joseph A. (1987) Procedures involving the IMA Commission on New Minerals and Mineral Names and guidelines on mineral nomenclature. American Mineralogist, 72 (9-10) 1031-1042
Jambor, John L., Ercit, Ernst A. J. Burke T. Scott, Grice, Joel D. (1988) New Mineral Names. American Mineralogist, 73 (11-12) 1492-1499
Jambor, John L., Puziewicz, Jacek (1993) New Mineral Names. American Mineralogist, 78 (9-10) 1108-1112
Localities for Cebaite-(Ce)
symbol to view information about a locality.
The Locality List
- 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).
All localities listed without proper references should be considered as questionable.
Canada | |
| Dalsin et al. (2015) |
| Canadian Museum of Nature collection |
| Nadeau et al. (2015) |
| Mitchell et al. (2017) |
China (TL) | |
| Chinese Academy of Sciences Institute of Geochemistry RE mineral research group (1972) +1 other reference |
| www.encyclopedia.com (n.d.) | |
| Yang et al. (2003) |
| Yunhuai Lin (1986) |
Namibia | |
| Irene M. Abraham (2009) |
Russia | |
| ... |
| Zaitsev et al. (1998) +1 other reference |
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East Mine, Bayan Obo deposit, Bayan Obo, Bayan Obo mining district, Baotou City, Inner Mongolia, China