General Information:
Chemical Formula:
Tl2SnAs2S6
Composition:
(Molecular Weight = 869.72 gm)
Thallium 47.00 % Tl
Tin 13.65 % Sn
Arsenic 17.23 % As
Sulfur 22.12 % S
Empirical Formula:
Tl2SnAs2S6
IMA Status:
Approved IMA
Physical Properties:
Cleavage:
[???] Perfect
Color:
gray, black gray, or black.
Diaphaniety:
Opaque
Hardness:
2-3 - Gypsum-Calcite
Luster:
Metallic
Streak:
reddish black
More details...