Ustarasite Mineral Data + 
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Dan Weinrich Fine Minerals
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- 3.8.11.1 Ustarasite Pb(Bi,Sb)6S10 Unk Ortho
- II/E.35-10 Ustarasite Pb(Bi,Sb)6S10 Unk Ortho
General Ustarasite Information |
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 Chemical Formula: |
Pb(Bi,Sb)6S10 | ||
| Composition: |
Molecular Weight = 1,738.13 gm | ||
| Bismuth 66.13 % Bi | |||
| Antimony 3.50 % Sb | |||
| Lead 11.92 % Pb | |||
| Sulfur 18.45 % S | |||
| ______ | |||
| 100.00 % | |||
| Empirical Formula: |
PbBi5.5Sb0.5S10 | ||
| Environment: |
In quartz-bismuthinite veins. | ||
| IMA Status: |
Valid Species (Pre-IMA) 1955 | ||
| Locality: |
Ustarasaisk deposit, western Tian-Shan, Kazakhstan. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for the locality. | ||
Search for Ustarasite Images | |||
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Images:
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Ustarasite Crystallography |
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| Crystal System: |
OrthorhombicSpace Group: Unk | ||
| X Ray Diffraction: |
By Intensity(I/Io): 1.057(1), 1.483(1), 3.527(1), | ||
Physical Properties of Ustarasite |
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| Cleavage: |
[???] Perfect | ||
| Color: |
Gray, Silver gray. | ||
| Diaphaniety: |
Opaque | ||
| Habit: |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). | ||
| Hardness: |
2.5 - Finger Nail | ||
| Luster: |
Metallic | ||
Optical Properties of Ustarasite |
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| RL Anisotrophism: |
Strong. | ||
| RL Color: |
Pure white. | ||
Calculated Properties of Ustarasite |
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| Fermion Index |
Fermion Index = 0.02772 Boson Index = 0.97228 |
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| Photoelectric: |
PEUstarasite =1,510.60 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Ustarasite is Not Radioactive |
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Ustarasite Classification |
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| Dana Class: |
3.8.11.1 (3)Sulfides - Sulfosalts | ||
| (3.8)where 1 < z/y <2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals | |||
| (3.8.11)Dana Group | |||
| Strunz Class: |
II/E.35-10 II - Sulfides and sulphosalts | ||
| II/E - Sulfosalts (S : As,Sb,Bi = x) Lead-Sulfosalts (Pb-Cu/Ag) with predominant Vismut x = 6.0 - 1.6 | |||
| II/E.35 - Ustarasite series | |||
Other Ustarasite Information |
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| References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) | ||
| See Also: |
Links to other databases for Ustarasite : 1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - Google Images 6 - Google Scholar 7 - Handbook of Mineralogy (MinSocAm) 8 - Handbook of Mineralogy (UofA) 9 - MinDAT 10 - MinMax(Deutsch) 11 - MinMax(English) 12 - Mineralienatlas (Deutsch) 13 - QUT Mineral Atlas 14 - Ruff.Info Search for Ustarasite using: Visit our Advertisers for Ustarasite : AA Mineral SpecimensB & L Fine Minerals Dan Weinrich Fine Minerals Dan Weinrich Auctions Excalibur Minerals Exceptional Minerals Fabre Minerals Greenside Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club MineralsWeb Fine Minerals The GeoZone Wrights Rock Shop Translate Ustarasite Mineral Data : Ask about Ustarasite here : Print or Cut-and-Paste your Ustarasite Specimen Label here :
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