Orickite

General Information:
 Chemical Formula:
CuFeS2·(H2O)
 Composition:
(Molecular Weight = 201.54 gm)
Iron 27.71 % Fe
Copper 31.53 % Cu
Hydrogen 1.00 % H 
Sulfur 31.82 % S 
Oxygen 7.94 % O 
 Empirical Formula:
CuFe2+S2H2O
 Environment:
Mafic alkalic diatreme.
 IMA Status:
Approved IMA 1983
 Locality:
Coyote Peak diatreme, 16 miles SW of Orick, Santa Cruz Co., California.
 Name Origin:
Named for the locality.
Physical Properties:
 Cleavage:
[001] Good
 Color:
brass yellow.
 Density:
4.212
 Diaphaniety:
Opaque
 Hardness:
3.5 - Copper Penny
 Luster:
Metallic
 Streak:
black
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