General Information:
Chemical Formula:
(Fe,Ni,Co)As
Composition:
(Molecular Weight = 131.93 gm)
Iron 25.40 % Fe
Cobalt 4.47 % Co
Nickel 13.35 % Ni
Arsenic 56.79 % As
Empirical Formula:
Fe2+0.6Ni0.3Co0.1As
IMA Status:
Approved IMA 1972
Physical Properties:
Color:
white or gray.
Density:
8.13
Diaphaniety:
Opaque
Hardness:
5.5-6 - Knife Blade-Orthoclase
Luster:
Metallic
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