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Sopcheite Mineral Data
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General Sopcheite Information
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 Chemical Formula: |
Ag4Pd3Te4 |
| Composition: |
Molecular Weight = 1,261.13 gm |
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Silver 34.21 % Ag |
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Tellurium 40.47 % Te |
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Palladium 25.32 % Pd |
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______ |
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100.00 % |
| Empirical Formula: |
Ag4Pd3Te4 |
| Environment: |
In veinlets cutting chalcopyrite. |
| IMA Status: |
Approved IMA 1982 |
| Locality: |
Sopcha massif, Monchegorsk pluton, Kola, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Sopcheite + Pronunciation  |
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Sopcheite Image |
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Images:
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Sopcheite
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 |
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Sopcheite Crystallography
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| Axial Ratios: |
a:b:c =1.2199:1:1.3964 |
| Cell Dimensions: |
a = 9.645, b = 7.906, c = 11.04, Z = 4; V = 841.84 Den(Calc)= 9.95 |
| Crystal System: |
Orthorhombic Space Group: Unk |
| X Ray Diffraction: |
By Intensity(I/Io): 3.33(1), 1.805(0.07), 2.56(0.06), |
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Physical Properties of Sopcheite
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| Color: |
Brownish gray. |
| Diaphaneity: |
Opaque |
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
| Hardness: |
3.5 - Copper Penny |
| Luster: |
Metallic |
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Optical Properties of Sopcheite
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| RL Anisotrophism: |
Weak, yellowish red to bluish. |
| RL Color: |
Light gray with a brownish tint. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Sopcheite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 400 nm |
34.90 |
39.20 |
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| 420 nm |
35.60 |
39.20 |
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| 440 nm |
37.20 |
39.50 |
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| 460 nm |
39.10 |
40.00 |
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| 480 nm |
41.40 |
40.60 |
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| 500 nm |
42.60 |
41.00 |
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| 520 nm |
43.10 |
41.30 |
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| 540 nm |
43.10 |
41.60 |
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| 560 nm |
43.30 |
42.20 |
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| 580 nm |
43.70 |
43.10 |
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| 600 nm |
44.10 |
44.00 |
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| 620 nm |
44.30 |
44.90 |
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| 640 nm |
44.40 |
45.60 |
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| 660 nm |
44.80 |
46.40 |
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| 680 nm |
45.20 |
47.30 |
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| 700 nm |
45.60 |
48.10 |
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Calculated Relative Intensity Colors of Sopcheite in Air
Relative
Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
230% |
| R1 |
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| R2 |
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Calculated Properties of Sopcheite
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| Electron Density: |
Bulk Density (Electron Density)=8.43 gm/cc
note: Specific Gravity of Sopcheite =9.95 gm/cc.
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| Fermion Index: |
Fermion Index = 0.08
Boson Index = 0.92 |
| Photoelectric: |
PESopcheite = 301.19 barns/electron
U=PESopcheite x rElectron Density=2,537.94 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sopcheite is Not Radioactive |
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Sopcheite Classification
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| Dana Class: |
02.16.10.01 (02)Sulfides - Including Selenides and Tellurides |
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(02.16)with miscellaneous formulae |
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(02.16.10)Chrisstanleyite Group |
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02.16.10.01 Sopcheite Ag4Pd3Te4 Unk Ortho |
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02.16.10.02 Chrisstanleyite! Ag2Pd3Se4 P 21/c 2/m |
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02.16.10.03 Jagueite! Cu2Pd3Se4 P 21/c 2/m |
| Strunz Class: |
02.BC.55 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1) |
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02.BC -With Rh, Pd, Pt, etc. |
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02.BC.55 Sopcheite Ag4Pd3Te4 Unk Ortho |
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Other Sopcheite 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 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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Sopcheite
Ag4Pd3Te4
Dana No: 02.16.10.01 Strunz No: 02.BC.55
Locality:
Notes:
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