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Pyrite Group

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Formula:
AX2
System:
Isometric
Name:
Named for the principal species in the group - pyrite.
Group of isostructural sulphide species sharing the Pa-3 space group, with a diploidal structure in which the "A" atoms occupy a face-centred cubic lattice position and the "X" atoms are in dumbbell-like pairs parallel to the four cube diagonals of the lattice, with each "A" atom surrounded by six "X" atoms in octahedral coordination - each pair of "X" atoms coordinated to six "A" atoms.
The general formula is AX2 where A = Au, Co, Cu, Fe, Mn, Ni, Os, Pd, Pt, Ru, and and X = As, Bi, S, Sb, Se, Te.

Note: Krutovite is probably also a member of this group (Strunz & Nickel, 2001).

Classification of Pyrite Group

Dana 7th ed.:
2.12.1.0
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http://www.mindat.org/min-9258.html
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Crystallography of Pyrite Group

Crystal System:
Isometric

Optical Data of Pyrite Group

Type:
Isotropic

Chemical Properties of Pyrite Group

Formula:
AX2

Relationship of Pyrite Group to other Species

Group Members:
Aurostibite AuSb2
Cattierite CoS2
Dzharkenite FeSe2
Erlichmanite OsS2
Fukuchilite Cu3FeS8
Gaotaiite Ir3Te8
Geversite PtSb2
Hauerite MnS2
Insizwaite Pt(Bi,Sb)2
Krut'aite CuSe2
Laurite RuS2
Penroseite (Ni,Co,Cu)Se2
Pyrite FeS2
Sperrylite PtAs2
Trogtalite CoSe2
Vaesite NiS2
Villamaninite (Cu,Ni,Co,Fe)S2
Minerals structurally related to group:
BambollaiteCu(Se,Te)2

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.

References for Pyrite Group

Reference List:
Strunz, H. and Nickel, E. H. (2001): Strunz Mineralogical Tables. E. Schweizerbart'sche Verlagsbuchhandlung, Stuttgart, Germany, 870 pp.

Internet Links for Pyrite Group

Localities for Pyrite Group

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
Mineral and/or Locality  
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