General Information:
Chemical Formula:
(Zn,Hg)S
Composition:
(Molecular Weight = 131.26 gm)
Zinc 37.36 % Zn
Mercury 38.21 % Hg
Sulfur 24.43 % S
Empirical Formula:
Zn0.75Hg0.25S
IMA Status:
Approved IMA 1978
Physical Properties:
Cleavage:
[???] Indistinct
Color:
black.
Density:
4.93
Hardness:
4.5 - Between Fluorite and Apatite
Luster:
Adamantine - Resinous
More details...