General Information:
Chemical Formula:
Fe++Ni+++2S4
Composition:
(Molecular Weight = 301.49 gm)
Iron 18.52 % Fe
Nickel 38.93 % Ni
Sulfur 42.54 % S
Empirical Formula:
Fe2+Ni2S4
Locality:
KEY W
Physical Properties:
Cleavage:
[???] Perfect
Color:
violet gray, copper red, light gray, or steel gray.
Density:
4.5 - 4.8, Average = 4.65
Diaphaniety:
Opaque
Hardness:
4.5-5.5
Luminescence:
Non-fluorescent.
Luster:
Metallic
More details...