Mineralogy Database

Treasurite Mineral Data

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General Treasurite Information

Help on Chemical  Formula: Chemical Formula: Ag7Pb6Bi15S32
Help on Composition: 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 % 
Help on Empirical Formula: Empirical Formula: Ag7Pb6Bi15S32
Help on Environment: Environment: In hydrothermal vein material.
Help on IMA Status: IMA Status: Approved IMA 1977
Help on Locality: Locality: Treasury mine, Geneva district, Colorado, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Treasurite + Pronunciation Say TREASURITE
 

Treasurite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =6.4853:1:3.2622
Help on Cell Dimensions: Cell Dimensions: a = 26.538, b = 4.092, c = 13.349, Z = 1; beta = 92.77° V = 1,447.92 Den(Calc)= 7.06
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: B2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.49(1), 3.22(0.8), 1.989(0.6),
 

Physical Properties of Treasurite

Help on Color: Color: Black.
Help on Density: Density: 7.25
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Luster: Luster: Metallic
 

Optical Properties of Treasurite

Help on RL Anisotrophism: RL Anisotrophism: Distinct to strong, in light gray to steel bluish black.
Help on RL Color: RL Color: White.
 

Calculated Properties of Treasurite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.91 gm/cc
note: Specific Gravity of Treasurite =7.06 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.04
Boson Index = 0.96
Help on Photoelectric: Photoelectric: PETreasurite =1,382.96 barns/electron
U=PETreasurite x rElectron Density=8,173.51 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Treasurite is Not Radioactive
 

Treasurite Classification

Help on  Dana Class: Dana Class: 03.06.03.01 (03)Sulfides - Sulfosalts
  (03.06)where 2 < z/y < 2.49 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.06.03)Dana Group
 
03.06.03.01 Treasurite Ag7Pb6Bi15S32 B2/m 2/m
Help on  Strunz Class: Strunz Class: 02.JB.40a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.J - Sulfosalts of PbS Archetype
  02.JB -Galena derivatives, with Pb
 
02.JB.40a Fizelyite Pb14Ag5Sb21S48(?) P 21/n 2/m
 
02.JB.40a Andorite PbAgSb3S6 Pmma 2/m 2/m 2/m
 
02.JB.40a Bursaite? Pb5Bi4S11 Bbmm 2/m 2/m 2/m
 
02.JB.40a Gustavite PbAgBi3S6(?) Bbmm 2/m 2/m 2/m
 
02.JB.40a Lillianite Pb3Bi2S6 Bbmm 2/m 2/m 2/m
 
02.JB.40a Roshchinite Ag19Pb10Sb51S96orPb(Ag,Cu)2(Sb,As)5S10 Pmna 2/m 2/m 2/m
 
02.JB.40a Uchucchacuaite AgPb3MnSb5S12 P mmm 2/m 2/m 2/m
 
02.JB.40a Ramdohrite Ag3Pb6Sb11S24 P 2/n 2/m
 
02.JB.40a Xilingolite Pb3Bi2S6 C 2/m 2/m
 
02.JB.40a Treasurite Ag7Pb6Bi15S32 B2/m 2/m
 
02.JB.40a Vikingite Ag5Pb8Bi13S30 C 2/m 2/m
 

Other Treasurite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Treasurite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info

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Print or Cut-and-Paste your Treasurite Specimen Label here :

Treasurite

Ag7Pb6Bi15S32
Dana No: 03.06.03.01 Strunz No: 02.JB.40a
Locality:

 

Notes:

 

 
   
 


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