Sopcheite
A valid IMA mineral species
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About Sopcheite
Formula:
Ag4Pd3Te4
Colour:
Gray
Lustre:
Metallic
Hardness:
3½
Specific Gravity:
9.948 (Calculated)
Crystal System:
Orthorhombic
Member of:
Name:
Named after its discovery locality.
This page provides mineralogical data about Sopcheite.
Unique Identifiers
Mindat ID:
3713
Long-form identifier:
mindat:1:1:3713:2
GUID
(UUID V4):
(UUID V4):
50d75693-b6e1-4d45-8d58-13e552224e65
IMA Classification of Sopcheite
Approved
Approval year:
1980
First published:
1982
Classification of Sopcheite
2.BC.55
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
C : With Rh, Pd, Pt, etc.
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
C : With Rh, Pd, Pt, etc.
2.16.10.1
2 : SULFIDES
16 : Miscellaneous
2 : SULFIDES
16 : Miscellaneous
3.12.19
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
12 : Sulphides etc. of the platinum metals
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
12 : Sulphides etc. of the platinum metals
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Symbol | Source | Reference |
---|---|---|
Sop | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Sop | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Physical Properties of Sopcheite
Metallic
Transparency:
Opaque
Colour:
Gray
Hardness:
3½ on Mohs scale
Hardness:
VHN10=134 - 209 kg/mm2 - Vickers
Density:
9.948 g/cm3 (Calculated)
Optical Data of Sopcheite
Anisotropism:
Color effects yellowish-red to bluish
Reflectivity:
Wavelength | R |
---|---|
440nm | 39.6% |
460nm | 40.3% |
480nm | 41.6% |
500nm | 42.4% |
520nm | 42.8% |
540nm | 43.0% |
560nm | 43.5% |
580nm | 44.4% |
600nm | 45.2% |
620nm | 45.8% |
640nm | 46.6% |
660nm | 47.3% |
680nm | 48.0% |
700nm | 48.5% |
720nm | 48.5% |
740nm | 48.3% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 48.5%.
Colour in reflected light:
Light gray with brown tint
Internal Reflections:
None
Chemistry of Sopcheite
Mindat Formula:
Ag4Pd3Te4
Elements listed:
Common Impurities:
Fe,Cu,Ni,Bi
Crystallography of Sopcheite
Crystal System:
Orthorhombic
Cell Parameters:
a = 9.645 Å, b = 7.906 Å, c = 11.040 Å
Ratio:
a:b:c = 1.22 : 1 : 1.396
Unit Cell V:
841.84 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Massive
Comment:
Point Group: n.d.; Space Group: n.d.
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.33 Å | (100) |
1.805 Å | (70b) |
2.56 Å | (60) |
2.70 Å | (50) |
2.30 Å | (50b) |
4.12 Å | (40) |
2.15 Å | (40) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-𝑇 alteration and/or metamorphism | |
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) | |
Stage 4b: Highly evolved igneous rocks | >3.0 |
37 : Layered igneous intrusions and related PGE minerals |
Type Occurrence of Sopcheite
General Appearance of Type Material:
Xenomorphic veins in chalcopyrite; grains not exceeding 0.02 mm.
Place of Conservation of Type Material:
Mineralogical Museum, Kola Branch, Russian Academy of Science, Apatity, Russia.
Associated Minerals at Type Locality:
Reference:
Orsoev, D.A., Rezhenova, S.A., Bodanova, A.N. (1982) Sopcheite, Ag4Pd3Te4, a new mineral from copper-nickel ores of the Monchegorsk pluton. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 111(1): 114-117.
Synonyms of Sopcheite
Other Language Names for Sopcheite
Relationship of Sopcheite to other Species
Member of:
Other Members of this group:
Telargpalite | (Pd,Ag)3(Te,Bi) | Iso. |
Temagamite | Pd3HgTe3 | Trig. 3m : P3m1 |
Common Associates
Associated Minerals Based on Photo Data:
1 photo of Sopcheite associated with Chalcopyrite | CuFeS2 |
Related Minerals - Strunz-mindat Grouping
2.BC. | UM2004-45-Se:AgHgPd | (Ag,Cu)6Hg2Pd2Se3 |
2.BC. | Fleetite | Cu2RhIrSb2 |
2.BC. | Coldwellite | Pd3Ag2S |
2.BC. | Panskyite | Pd9Ag2Pb2S4 |
2.BC.05 | Palladseite | Pd17Se15 |
2.BC.05 | Miassite | Rh17S15 |
2.BC.05 | UM2000-47-S:CuFePdPt | PtPd(Fe,Cu)S |
2.BC.10 | Oosterboschite | (Pd,Cu)7Se5 |
2.BC.15 | Chrisstanleyite | Ag2Pd3Se4 |
2.BC.15 | Jagüéite | Cu2Pd3Se4 |
2.BC.20 | Keithconnite | Pd20Te7 |
2.BC.25 | Vasilite | (Pd,Cu)16(S,Te)7 |
2.BC.30 | Telluropalladinite | Pd9Te4 |
2.BC.35 | Luberoite | Pt5Se4 |
2.BC.35 | Kojonenite | Pd7-xSnTe2 (0.3 ≤ x ≤ 0.8) |
2.BC.37 | Kravtsovite | PdAg2S |
2.BC.40 | Oulankaite | (Pd,Pt)5(Cu,Fe)4SnTe2S2 |
2.BC.40 | Lukkulaisvaaraite | Pd14Ag2Te9 |
2.BC.42 | Monchetundraite | Pd2NiTe2 |
2.BC.45 | Telargpalite | (Pd,Ag)3(Te,Bi) |
2.BC.45 | Thalhammerite | Pd9Ag2Bi2S4 |
2.BC.47 | Vymazalováite | Pd3Bi2S2 |
2.BC.50 | Temagamite | Pd3HgTe3 |
2.BC.55 | Bowlesite | PtSnS |
2.BC.60 | Laflammeite | Pd3Pb2S2 |
2.BC.65 | Tischendorfite | Pd8Hg3Se9 |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Sopcheite
mindat.org URL:
https://www.mindat.org/min-3713.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Sopcheite
Reference List:
Dunn, Pete J., Fleischer, Michael, Burns, Roger G., Pabst, Adolf (1983) New mineral names. American Mineralogist, 68 (3-4) 471-475 p.472
Localities for Sopcheite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
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Russia | |
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Tanzania | |
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Quick NavTopAbout SopcheiteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography X-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesRelationshipsCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
Lukkulaisvaara ultrabasic Massif, Olanga River, Oulanka plutonic complex, Loukhsky District, Republic of Karelia, Russia