General Information:
Chemical Formula:
(As,Sb)11S18
Composition:
(Molecular Weight = 1,530.10 gm)
Antimony 21.88 % Sb
Arsenic 40.40 % As
Sulfur 37.72 % S
Empirical Formula:
As8.25Sb2.75S18
IMA Status:
Approved IMA 1969
Physical Properties:
Cleavage:
[100] Perfect, [010] Perfect, [101] Perfect
Color:
golden yellow or lemon.
Density:
3.98
Hardness:
1.5 - Between Talc and Gypsum
Luster:
Silky
Streak:
orange
More details...