Treasurite Mineral Data + 
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- 3.6.3.1 Treasurite Ag7Pb6Bi15S32 B2/m 2/m
- II/E.31-10 Xilingolite Pb3Bi2S6 C 2/m 2/m
- II/E.31-20 Lillianite Pb3Bi2S6 Bbmm 2/m 2/m 2/m
- II/E.31-30 Bursaite Pb5Bi4S11 Bbmm 2/m 2/m 2/m
- II/E.31-40 Ourayite Pb4Ag3Bi5S13 Bbmm 2/m 2/m 2/m
- II/E.31-50 Eskimoite Ag7Pb10Bi15S36 Am m
- II/E.31-60 Vikingite Ag5Pb8Bi13S30 C 2/m 2/m
- II/E.31-70 Schirmerite Ag3Pb3Bi9S18toAg3Pb6Bi7S18 Bbmm 2/m 2/m 2/m
- II/E.31-80 Treasurite Ag7Pb6Bi15S32 B2/m 2/m
- II/E.31-90 Gustavite PbAgBi3S6(?) Bbmm 2/m 2/m 2/m
General Treasurite Information |
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 Chemical Formula: |
Ag7Pb6Bi15S32 | ||
| Composition: |
Molecular Weight = 6,159.10 gm | ||
| Silver 12.26 % Ag | |||
| Bismuth 50.90 % Bi | |||
| Lead 20.18 % Pb | |||
| Sulfur 16.66 % S | |||
| ______ | |||
| 100.00 % | |||
| Empirical Formula: |
Ag7Pb6Bi15S32 | ||
| Environment: |
In hydrothermal vein material. | ||
| IMA Status: |
Approved IMA 1977 | ||
| Locality: |
Treasury mine, Geneva district, Colorado, USA. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for the locality. | ||
Search for Treasurite Images | |||
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Images:
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Treasurite Crystallography |
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| Axial Ratios: |
a:b:c =6.4853:1:3.2622 | ||
| Cell Dimensions: |
a = 26.538, b = 4.092, c = 13.349, Z = 1; beta = 92.77° V = 1,447.92 Den(Calc)= 7.06 | ||
| Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: B2/m | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.49(1), 3.22(0.8), 1.989(0.6), | ||
Physical Properties of Treasurite |
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| Color: |
Black. | ||
| Density: |
7.25 | ||
| Diaphaniety: |
Opaque | ||
| Habit: |
Aggregates - Made of numerous individual crystals or clusters. | ||
| Habit: |
Granular - Generally occurs as anhedral to subhedral crystals in matrix. | ||
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. | ||
| Luster: |
Metallic | ||
Optical Properties of Treasurite |
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| RL Anisotrophism: |
Distinct to strong, in light gray to steel bluish black. | ||
| RL Color: |
White. | ||
Calculated Properties of Treasurite |
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| Electron Density: |
relectron=5.91 gm/cc |
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| Fermion Index |
Fermion Index = 0.04585 Boson Index = 0.95415 |
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| Photoelectric: |
PETreasurite =1,382.96 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Treasurite is Not Radioactive |
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Treasurite Classification |
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| Dana Class: |
3.6.3.1 (3)Sulfides - Sulfosalts | ||
| (3.6)where 2 < z/y < 2.49 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals | |||
| (3.6.3)Dana Group | |||
| Strunz Class: |
II/E.31-80 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.31 - Xilingolite - Gustavite series | |||
Other Treasurite Information |
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| References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1) | ||
| See Also: |
Links to other databases for Treasurite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas 11 -École des Mines de Paris Search for Treasurite using: Visit our Advertisers for Treasurite : AA Mineral SpecimensB & L Fine Minerals Crystal Vaults Dan Weinrich Fine Minerals Dan Weinrich Auctions e-Rocks 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 Rockshop.cz T G Fine Minerals Wrights Rock Shop Translate Treasurite Mineral Data : Ask about Treasurite here : Print or Cut-and-Paste your Treasurite Specimen Label here :
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