Mineralogy Database

Sopcheite Mineral Data

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General Sopcheite Information

Help on Chemical  Formula: Chemical Formula: Ag4Pd3Te4
Help on Composition: Composition: Molecular Weight = 1,261.13 gm
   Silver     34.21 %  Ag
   Tellurium  40.47 %  Te
   Palladium  25.32 %  Pd
             100.00 % 
Help on Empirical Formula: Empirical Formula: Ag4Pd3Te4
Help on Environment: Environment: In veinlets cutting chalcopyrite.
Help on IMA Status: IMA Status: Approved IMA 1982
Help on Locality: Locality: Sopcha massif, Monchegorsk pluton, Kola, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Sopcheite + Pronunciation Say SOPCHEITE

Sopcheite Image

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Comments: B&W iamge of coarse- and fine-grained sopcheite (white SOP) occurring at the margin of bornite (BR) that has replaced chalcopyrite. (CanMin, v28:489).
Location: Geordie Lake Intrusion of the Coldwell alkaline complex, northwestern Ontario, Canada. Scale: See Imate.
© Canadian Mineralogist

Sopcheite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.2199:1:1.3964
Help on Cell Dimensions: Cell Dimensions: a = 9.645, b = 7.906, c = 11.04, Z = 4; V = 841.84 Den(Calc)= 9.95
Help on Crystal System: Crystal System: Orthorhombic Space Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.33(1), 1.805(0.07), 2.56(0.06),

Physical Properties of Sopcheite

Help on Color: Color: Brownish gray.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Metallic

Optical Properties of Sopcheite

Help on RL Anisotrophism: RL Anisotrophism: Weak, yellowish red to bluish.
Help on RL Color: RL Color: Light gray with a brownish tint.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Sopcheite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   34.90   39.20 
 420 nm   35.60   39.20 
 440 nm   37.20   39.50 
 460 nm   39.10   40.00 
 480 nm   41.40   40.60 
 500 nm   42.60   41.00 
 520 nm   43.10   41.30 
 540 nm   43.10   41.60 
 560 nm   43.30   42.20 
 580 nm   43.70   43.10 
 600 nm   44.10   44.00 
 620 nm   44.30   44.90 
 640 nm   44.40   45.60 
 660 nm   44.80   46.40 
 680 nm   45.20   47.30 
 700 nm   45.60   48.10 
Calculated Relative Intensity Colors of Sopcheite in Air
   0%   30%   60%   90% 100% 120% 150% 180% 210% 230%

Calculated Properties of Sopcheite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=8.43 gm/cc
note: Specific Gravity of Sopcheite =9.95 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.08
Boson Index = 0.92
Help on Photoelectric: Photoelectric: PESopcheite = 301.19 barns/electron
U=PESopcheite x rElectron Density=2,537.94 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sopcheite is Not Radioactive

Sopcheite Classification

Help on  Dana Class: Dana Class: (02)Sulfides - Including Selenides and Tellurides
  (02.16)with miscellaneous formulae
  (02.16.10)Chrisstanleyite Group Sopcheite Ag4Pd3Te4 Unk Ortho Chrisstanleyite! Ag2Pd3Se4 P 21/c 2/m Jagueite! Cu2Pd3Se4 P 21/c 2/m
Help on  Strunz Class: Strunz Class: 02.BC.55 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1)
  02.BC -With Rh, Pd, Pt, etc.
02.BC.55 Sopcheite Ag4Pd3Te4 Unk Ortho

Other Sopcheite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Sopcheite :
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 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Dana No: Strunz No: 02.BC.55





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