General Information:
Chemical Formula:
Cu2(Fe,Zn)SnS4
Composition:
(Molecular Weight = 432.30 gm)
Zinc 3.78 % Zn
Iron 9.69 % Fe
Copper 29.40 % Cu
Tin 27.46 % Sn
Sulfur 29.67 % S
Empirical Formula:
Cu2Zn0.25Fe2+0.75SnS4
IMA Status:
Approved IMA
Physical Properties:
Cleavage:
[???] Good
Color:
gray or steel gray.
Diaphaniety:
Opaque
Hardness:
4 - Fluorite
Luster:
Metallic
Streak:
black
More details...