Cupropearceite Mineral Data

Cupropearceite Mineral Data
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General Cupropearceite Information

Help on Chemical Formula: Chemical Formula: [Cu6As2S7][Ag9CuS4]
Help on Composition: Composition: Molecular Weight = 1,918.21 gm
   Copper   23.19 %  Cu
   Silver   50.61 %  Ag
   Arsenic   7.81 %  As
   Sulfur   18.39 %  S
           ______ 
           100.00 % 
Help on Empirical Formula: Empirical Formula: Cu6As2S7Ag9CuS4
Help on Environment: Environment: Pearceite-polybasite group
Help on IMA Status: IMA Status: Proposed IMA 2007
Help on Locality: Locality: Sarbai Mine, Turgai region, Kazakhstan Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Commission on New Minerals, Nomenclature and Classification (CNMNC)
Help on Synonym: Synonym: IMA2007-046
 

Cupropearceite Image

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Cupropearceite

Comments: Crystal of cupropearceite.
Location: Sarbay Mine, near city of Rudnyi, Kostanai Oblast', Kazakhstan. Scale: Crystal size 1 mm.
© Tom Loomis / Dakota Matrix

Cupropearceite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:1.6236
Help on Cell Dimensions: Cell Dimensions: a = 7.3218, c = 11.8877, Z = 1; V = 551.91 Den(Calc)= 5.77
Help on Crystal System: Crystal System: Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: P 3m1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.972(1), 11.89(0.54), 1.831(0.5),2.349(0.45), 2.476(0.45), 2.797(0.44), 2.168(0.42), 3.063(0.38),
 

Physical Properties of Cupropearceite

Help on Diaphaneity: Diaphaneity: Opaque
Help on Luster: Luster: Metallic
 

Calculated Properties of Cupropearceite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.22 gm/cc
note: Specific Gravity of Cupropearceite =5.77 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0013791253
Boson Index = 0.9986208747
Help on Photoelectric: Photoelectric: PECupropearceite = 144.86 barns/electron
U=PECupropearceite x rElectron Density= 756.44 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cupropearceite is Not Radioactive
 

Cupropearceite Classification
Help on Dana Class: Dana Class: 03.01.08.03 (03)Sulfides - Sulfosalts
  (03.01)where z/y > 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.01.08)Pearceite group
 
03.01.08.01 Pearceite [Ag9CuS4][(Ag,Cu)6(As,Sb)2S7] P 3m1 3 2/m
 
03.01.08.02 Antimonpearceite [Ag9CuS4][(Ag,Cu)6(Sb,As)2S7] C 2/m 2/m
 
03.01.08.03 Cupropearceite [Cu6As2S7][Ag9CuS4] P 3m1 3 2/m
Help on Strunz Class: Strunz Class: 02.GB.15 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.G - Sulfarsenites, sulfantimonites, sulfbismuthites
  02.GB -Neso-sulfarsenites, etc
 
02.GB.15 Antimonpearceite [Ag9CuS4][(Ag,Cu)6(Sb,As)2S7] C 2/m 2/m
 
02.GB.15 Arsenpolybasite [Ag9CuS4][(Ag,Cu)6(As,Sb)2S7] C 2/m 2/m
 
02.GB.15 Polybasite [Ag9CuS4][(Ag,Cu)6(Sb,As)2S7] C 2/m 2/m
 
02.GB.15 Pearceite [Ag9CuS4][(Ag,Cu)6(As,Sb)2S7] P 3m1 3 2/m
 
02.GB.15 Cupropearceite [Cu6As2S7][Ag9CuS4] P 3m1 3 2/m
 
02.GB.15 Selenopolybasite! [(Ag,Cu)6(Sb,As)2(S,Se)7][Ag9Cu(S,Se)2Se2] P 3m1 3m
 
02.GB.15 Cupropolybasite! [Cu6Sb2S7][Ag9CuS4] P 3m1 3 2/m
 

Other Cupropearceite Information
Help on See Also: See Also: Links to other databases for Cupropearceite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info

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

Cupropearceite

[Cu6As2S7][Ag9CuS4]
Dana No: 03.01.08.03 Strunz No: 02.GB.15
Locality:

 

Notes: