
General Information:

Chemical Formula:
ZnCr2S4

Composition:
(Molecular Weight = 297.65 gm)
Zinc 21.97 %
ZnChromium 34.94 %
CrSulfur 43.09 %
S 
Empirical Formula:
ZnCr2S4

IMA Status:
Approved IMA
Physical Properties:

Color:
black.

Diaphaniety:
Opaque

Hardness:
5 - Apatite

Luster:
Adamantine
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