General Information:
Chemical Formula:NaFeS2·2(H2O)
Composition:(Molecular Weight = 179.00 gm)Sodium 12.84 %
NaIron 31.20 %
FeHydrogen 2.25 %
H Sulfur 35.83 %
S Oxygen 17.88 %
O Empirical Formula: NaFe2+S2·2(H2O)
IMA Status:Approved IMA 1977
Locality:Coyote Peak diatreme, 16 miles SW of Orick, Humboldt Co. California.
Physical Properties: Cleavage:[110] Good
Color:copper red, red, or black.
Density:2.3
Diaphaniety:Opaque
Hardness:2 - Gypsum
Luster:Metallic
Streak:black
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