General Information:
Chemical Formula:
Tl(As,Sb)5S8
Composition:
(Molecular Weight = 952.59 gm)
Thallium 21.46 % Tl
Antimony 31.95 % Sb
Arsenic 19.66 % As
Sulfur 26.93 % S
Empirical Formula:
TlAs2.5Sb2.5S8
IMA Status:
Approved IMA 1987
Physical Properties:
Cleavage:
None
Color:
black.
Density:
4.5
Diaphaniety:
Opaque
Hardness:
2 - Gypsum
Luster:
Earthy (Dull)
Streak:
dark red
More details...