Rosiaite
A valid IMA mineral species
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About Rosiaite
Formula:
PbSb5+2O6
Colour:
Colourless, pale yellow
Lustre:
Resinous
Hardness:
5½
Specific Gravity:
6.96 (Calculated)
Crystal System:
Trigonal
Name:
Named after the town near its false discovery locality, the Le Cetine di Cotorniano Mine (near Rosia), Chiusdino, Siena Province, Tuscany, Italy.
The mineral was first found by the collector Claudio Bianchi, who provided the slag samples with rosiaite and clinocervantite for study. In the original paper (Basso et al., 1996) the reported type locality was erroneously indicated as Le Cetine di Cotorniano, due to the incorrect information given by the collector who first found this phase. Thanks to some mineralogists who remarked that the genesis of such a mineral could not occur in a locality without lead, like Le Cetine di Cotorniano Mine, the true story was reconstructed, but only after the paper had already been published (Ciriotti et al., 2009).
The mineral was first found by the collector Claudio Bianchi, who provided the slag samples with rosiaite and clinocervantite for study. In the original paper (Basso et al., 1996) the reported type locality was erroneously indicated as Le Cetine di Cotorniano, due to the incorrect information given by the collector who first found this phase. Thanks to some mineralogists who remarked that the genesis of such a mineral could not occur in a locality without lead, like Le Cetine di Cotorniano Mine, the true story was reconstructed, but only after the paper had already been published (Ciriotti et al., 2009).
Type Locality:
Unique Identifiers
Mindat ID:
7274
Long-form identifier:
mindat:1:1:7274:4
IMA Classification of Rosiaite
Approved
IMA Formula:
PbSb2O6
Classification of Rosiaite
4.DH.25
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
H : With large (+- medium-sized) cations; sheets of edge-sharing octahedra
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
H : With large (+- medium-sized) cations; sheets of edge-sharing octahedra
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 |
|---|---|---|
| Rsi | 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 Rosiaite
Resinous
Transparency:
Transparent
Colour:
Colourless, pale yellow
Streak:
White
Hardness:
5½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Distinct/Good
{0001}
{0001}
Parting:
Possible
Fracture:
Conchoidal
Density:
6.96 g/cm3 (Calculated)
Optical Data of Rosiaite
Type:
Uniaxial (-)
RI values:
nω = 2.092(2) nε = 1.92(1)
Max. Birefringence:
δ = 0.172
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
Chemistry of Rosiaite
Mindat Formula:
PbSb5+2O6
Element Weights:
Elements listed:
Crystallography of Rosiaite
Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
P3 1m
Cell Parameters:
a = 5.295(1) Å, c = 5.372(1) Å
Ratio:
a:c = 1 : 1.015
Unit Cell V:
130.44 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Flat tabular hexagonal crystals.
Crystal Structure
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Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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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) |
|---|---|---|---|---|---|---|---|
| 0006628 | Rosiaite | Basso R, Lucchetti G, Zefiro L, Palenzona A (1996) Rosiaite, PbSb2O6, a new mineral from the Cetine mine, Siena, Italy European Journal of Mineralogy 8 487-492 | 1996 | Cetine mine, Siena, Italy | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.49 Å | (vs) |
| 2.688 Å | (vw) |
| 2.648 Å | (m) |
| 2.110 Å | (w) |
| 1.887 Å | (w) |
| 1.651 Å | (w) |
| 1.531 Å | (w) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47d : [Arsenates, antimonates, selenates, bismuthinates] | |
| 47h : [Near-surface oxidized, dehydrated minerals] |
Type Occurrence of Rosiaite
Place of Conservation of Type Material:
University of Genova
Synonyms of Rosiaite
Other Language Names for Rosiaite
Common Associates
Associated Minerals Based on Photo Data:
| 8 photos of Rosiaite associated with Valentinite | Sb2O3 |
| 6 photos of Rosiaite associated with Clinocervantite | Sb3+Sb5+O4 |
| 3 photos of Rosiaite associated with Tripuhyite | Fe3+Sb5+O4 |
| 1 photo of Rosiaite associated with Cinnabar | HgS |
| 1 photo of Rosiaite associated with Carminite | PbFe3+2(AsO4)2(OH)2 |
| 1 photo of Rosiaite associated with Covellite | CuS |
| 1 photo of Rosiaite associated with Oxyplumboroméite | Pb2Sb2O6O |
| 1 photo of Rosiaite associated with Strashimirite | Cu8(AsO4)4(OH)4 · 5H2O |
| 1 photo of Rosiaite associated with Roméite Group | A2(Sb5+)2O6Z |
Related Minerals - Strunz-mindat Grouping
| 4.DH. | Cesiokenopyrochlore | ◻Nb2(O,OH)6(Cs,◻) |
| 4.DH. | Roméite Group | A2(Sb5+)2O6Z |
| 4.DH. | Oxyplumboroméite | Pb2Sb2O6O |
| 4.DH. | Fluornatropyrochlore | (Na,Pb,Ca,REE,U)2Nb2O6F |
| 4.DH. | Hydroxykenomicrolite | (◻,Na,Sb3+)2Ta2O6(OH,Cs) |
| 4.DH. | Fluornatroroméite | (Na,Ca)2Sb2(O,OH)6F |
| 4.DH. | Oxyyttrobetafite-(Y) | Y2Ti2O6O |
| 4.DH.05 | Thorutite | (Th,U,Ca)Ti2(O,OH)6 |
| 4.DH.05 | Orthobrannerite | U4+U6+Ti4O12(OH)2 |
| 4.DH.05 | Brannerite | UTi2O6 |
| 4.DH.10 | Kassite | CaTi2O4(OH)2 |
| 4.DH.10 | Lucasite-(La) | |
| 4.DH.10 | Lucasite-(Ce) | CeTi2(O,OH)6 |
| 4.DH.15 | Fluorhydropyrochlore | |
| 4.DH.15 | Hydrokenoelsmoreite | ◻2W2O6(H2O) |
| 4.DH.15 | Hydroxynatromicrolite | (Na,Bi3+,◻)2Ta2O6(OH) |
| 4.DH.15 | Hydroplumboelsmoreite | (Pb,◻)(W,Fe3+)2O6 · H2O |
| 4.DH.15 | Hydropyrochlore | (H2O,◻)2Nb2(O,OH)6(H2O) |
| 4.DH.15 | Unnamed (Sb-analogue of Hydroxymanganopyrochlor) | (Mn,Ca,Y)2(Sb,Ti)2O6(OH) |
| 4.DH.15 | Hydroxynatropyrochlore | (Na,Ca,Ce)2Nb2O6(OH) |
| 4.DH.15 | Hydrokenopyrochlore | (◻,x)2Nb2O6(H2O,Cs) |
| 4.DH.15 | Oxybismutomicrolite | (Bi1.33◻0.67)Σ2Ta2O6O |
| 4.DH.15 | Kenomicrolite | ◻2Ta2[O4(OH)2]◻ |
| 4.DH.15 | Fluornatromicrolite | (Na1.5Bi0.5)Ta2O6F |
| 4.DH.15 | Oxynatropyrochlore | (Na,Ca,U)2Nb2O6(O,OH) |
| 4.DH.15 | Hydroxycalciopyrochlore | (Ca,Na,U,◻)2(Nb,Ti)2O6(OH) |
| 4.DH.15 | Fluorcalciopyrochlore | (Ca,Na)2(Nb,Ti)2O6F |
| 4.DH.15 | Oxycalciopyrochlore | Ca2Nb2O6O |
| 4.DH.15 | Fluorstrontiopyrochlore | (Sr,◻)2Nb2(O,OH)6F |
| 4.DH.15 | Oxyplumbopyrochlore | Pb2Nb2O6O |
| 4.DH.15 | Fluorplumbopyrochlore | (Pb,Y,Th,U,Na,Ca)2-x(Nb,Ti)2O6F |
| 4.DH.15 | Bismutomicrolite (of Hogarth 1977) | |
| 4.DH.15 | Bismutopyrochlore (of Chukanov et al.) | (Bi,Ca,U,Pb)2-xNb2(O,OH)6(OH) |
| 4.DH.15 | Kenoplumbopyrochlore | (Pb,◻)Nb2O6(◻,O) |
| 4.DH.15 | Hydroxyplumbopyrochlore | (Pb1.5◻0.5)Nb2O6(OH) |
| 4.DH.15 | Stibiomicrolite (of Groat et al.) | |
| 4.DH.15 | Oxyyttropyrochlore-(Y) | (Y,◻)2Nb2O6O |
| 4.DH.15 | Fluorkenopyrochlore | (◻,Sr,Ce,Ca,Na)2(Nb,Ti)2O6F |
| 4.DH.15 | Hydroxycalciomicrolite | Ca1.5Ta2O6(OH) |
| 4.DH.15 | Strontiopyrochlore (of Hogarth 1977) | A2Nb2(O,OH)6Z |
| 4.DH.15 va | Alumotungstite | ◻2W2O6(H2O) |
| 4.DH.15 | Oxycalciobetafite | Ca2(Ti,Nb)2O6O |
| 4.DH.15 | Oxyuranobetafite | (U,Ca,◻)2(Ti,Nb)2O6O |
| 4.DH.15 | Fluorcalciomicrolite | (Ca,Na)2(Ta,Nb)2O6F |
| 4.DH.15 | Oxycalciomicrolite | Ca2Ta2O6O |
| 4.DH.15 | Oxystannomicrolite | Sn2Ta2O6O |
| 4.DH.15 | Kenoplumbomicrolite | (Pb,◻)2Ta2O6(◻,OH,O) |
| 4.DH.15 | Oxynatromicrolite | (Na,Ca,U)2(Ta,Nb)2O6(O,F) |
| 4.DH.15 | Oxystibiomicrolite | (Sb3+,Ca)2Ta2O6O |
| 4.DH.15 | Hydromicrolite | (H2O,◻)2Ta2(O,OH)6(H2O) |
| 4.DH.15 | Plumbomicrolite (of Hogarth 1977) | |
| 4.DH.15 | Hydrokenomicrolite | (◻,H2O)2Ta2(O,OH)6(H2O) |
| 4.DH.15 | Hydroxykenoelsmoreite | (◻,Pb)2(W,Fe3+,Al)2(O,OH)6(OH) |
| 4.DH.15 va | Yttromicrolite (of Hogarth) | (Ca,Y3+,U,Na)2-x(Ta,Nb,Ti,Fe3+)2O7 |
| 4.DH.15 | Hydroxykenopyrochlore | (◻,Ce,Ba)2(Nb,Ti)2O6(OH,F) |
| 4.DH.15 | Hydroxymanganopyrochlore | (Mn2+,Th,Na,Ca,REE)2(Nb,Ti)2O6(OH) |
| 4.DH.20 | Cuproroméite | Cu2Sb2(O,OH)7 |
| 4.DH.20 | Hydroxycalcioroméite | (Ca,Sb3+)2(Sb5+,Ti)2O6(OH) |
| 4.DH.20 | Bindheimite | Pb2Sb2O6O |
| 4.DH.20 | Hydroxyferroroméite | (Fe2+1.5◻0.5)Sb5+2O6(OH) |
| 4.DH.20 | Fluorcalcioroméite | (Ca,Na,◻)2Sb5+2(O,OH)6F |
| 4.DH.20 | Oxycalcioroméite | Ca2Sb2O6O |
| 4.DH.20 | Stetefeldtite | Ag2Sb2(O,OH)7 |
| 4.DH.20 | Stibiconite | Sb3+Sb5+2O6(OH) |
| 4.DH.20 | Monimolite | Pb2Sb5+2O7 |
| 4.DH.30 | Stefanweissite | (Ca,REE)2Zr2(Nb,Ti)(Ti,Nb)2Fe2+O14 |
| 4.DH.30 | Zirconolite | CaZrTi2O7 |
| 4.DH.30 | Laachite | (Ca,Mn)2Zr2Nb2TiFeO14 |
| 4.DH.30 | Nöggerathite-(Ce) | (Ce,Ca)2Zr2(Nb,Ti)(Ti,Nb)2Fe2+O14 |
| 4.DH.35 | Liandratite | U(Nb,Ta)2O8 |
| 4.DH.35 | Petscheckite | UFe(Nb,Ta)2O8 |
| 4.DH.40 | Ingersonite | Ca3Mn2+Sb5+4O14 |
| 4.DH.45 | Pittongite | Na0.22(W,Fe3+)(O,OH)3 · 0.44H2O |
| 4.DH.50 | Tazzoliite | Ba4-xNaxTi2Nb3SiO17[PO2(OH)2]x(OH)(1-2x) |
Other Information
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 Rosiaite
mindat.org URL:
https://www.mindat.org/min-7274.html
Please feel free to link to this page.
Please feel free to link to this page.
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External Links:
References for Rosiaite
Reference List:
Hill, Roderick J. (1987) Structure of PbSb2O6 and its relationship to the crystal chemistry of PbO2 in antimonial lead-acid batteries. Journal of Solid State Chemistry, 71. 12-18 doi:10.1016/0022-4596(87)90136-8
Localities for Rosiaite
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.
France | |
| Valerie GALEA-CLOLUS collection +2 other references |
| Favreau et al. (2024) | |
Germany | |
| Graf (1997) +1 other reference |
Hungary | |
| collector: Gábor Koller |
Italy | |
| Ciriotti et al. (2006) |
| Caboni et al. (2018) |
| Anthony et al. (1997) +1 other reference |
Norway | |
| Husdal (2021) |
Spain | |
| Rewitzer et al. (2020) |
| Mineralogía de la concesión San Rafael |
| issuu.com (n.d.) +1 other reference |
UK | |
| Rust (2022) |
| Ryback et al. (2001) |
USA | |
| Silver Coin Mine. Compact Disc. Paul ... |
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Tafone Mine, Manciano, Grosseto Province, Tuscany, Italy