General Information:
Chemical Formula:
(Cs,Tl)(Hg,Cu,Zn)6(As,Sb)4S12
IMA Status:
Approved IMA 1972
Physical Properties:
Color:
orange red, reddish, or black.
Density:
5.4
Diaphaniety:
Opaque
Hardness:
3 - Calcite
Luster:
Vitreous - Adamantine
Streak:
orange
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