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Pyrite Group

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Formula:
AX
 
2
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 edition ID:2.12.1.0
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Crystallography of Pyrite Group

Crystal System:Isometric

Optical Data of Pyrite Group

Type:Isotropic

Chemical Properties of Pyrite Group

Formula:
AX
 
2
Simplified for copy/paste:AX2

Relationship of Pyrite Group to other Species

Group Members:
Aurostibite 
AuSb
 
2
Cattierite 
CoS
 
2
Dzharkenite 
FeSe
 
2
Erlichmanite 
OsS
 
2
Fukuchilite 
Cu
 
3
FeS
 
8
Gaotaiite 
Ir
 
3
Te
 
8
Geversite 
PtSb
 
2
Hauerite 
MnS
 
2
Insizwaite 
Pt(Bi,Sb)
 
2
Krut'aite 
CuSe
 
2
Laurite 
RuS
 
2
Penroseite 
(Ni,Co,Cu)Se
 
2
Pyrite 
FeS
 
2
Sperrylite 
PtAs
 
2
Trogtalite 
CoSe
 
2
Vaesite 
NiS
 
2
Villamaninite 
(Cu,Ni,Co,Fe)S
 
2
Minerals structurally related to group:
Bambollaite
Cu(Se,Te)
 
2
Related Minerals - Dana Grouping):

- +
2.12.1.1Pyrite
FeS
 
2

Other Information

Health Warning: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

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