General Information:
Chemical Formula:
Cu2(Zn,Fe)SnS4
Composition:
(Molecular Weight = 437.07 gm)
Zinc 11.22 % Zn
Iron 3.19 % Fe
Copper 29.08 % Cu
Tin 27.16 % Sn
Sulfur 29.35 % S
Empirical Formula:
Cu2Zn0.75Fe2+0.25SnS4
Physical Properties:
Cleavage:
None
Color:
greenish black.
Density:
4.54 - 4.59, Average = 4.56
Diaphaniety:
Opaque
Hardness:
4.5 - Between Fluorite and Apatite
Luster:
Metallic
Streak:
black
More details...