General Information:
Chemical Formula:
(Cu,Fe,Zn)2(Sn,In)S4
Composition:
(Molecular Weight = 368.84 gm)
Zinc 3.55 % Zn
Indium 7.78 % In
Iron 9.08 % Fe
Copper 20.67 % Cu
Tin 24.14 % Sn
Sulfur 34.77 % S
Empirical Formula:
Cu1.2Fe2+0.6Zn0.2Sn0.75In0.25S4
IMA Status:
Approved IMA
Physical Properties:
Cleavage:
[110] Distinct, [100] Distinct, [010] Distinct
Color:
gray.
Density:
4.61
Diaphaniety:
Opaque
Hardness:
4.5-5
Luster:
Metallic
Streak:
black
More details...