General Information:
Chemical Formula:
(Fe,Ni)9S8
Composition:
(Molecular Weight = 765.55 gm)
Iron 49.24 % Fe
Nickel 17.25 % Ni
Sulfur 33.51 % S
Empirical Formula:
Fe2+6.75Ni2.25S8
IMA Status:
Approved IMA 1964
Physical Properties:
Cleavage:
[001] Perfect
Color:
bronze or white gray.
Density:
4.3
Diaphaniety:
Opaque
Hardness:
2.5 - Finger Nail
Luster:
Metallic
Streak:
black
More details...