General Information:
Chemical Formula:
Ag(Sb,Bi)S2
Composition:
(Molecular Weight = 315.56 gm)
Silver 34.18 % Ag
Bismuth 16.56 % Bi
Antimony 28.94 % Sb
Sulfur 20.32 % S
Empirical Formula:
AgSb0.75Bi0.25S2
Locality:
Chocoya, Province of Sud-Chichas, Potosi, Bolivia.
Physical Properties:
Cleavage:
[???] Perfect, [???] Indistinct, [???] Indistinct
Color:
iron black or deep blood red.
Density:
5.6
Diaphaniety:
Opaque
Habits:
Pseudo Tetragonal - Crystals show a tetragonal shape., ,
Hardness:
2.5 - Finger Nail
Luster:
Metallic
Streak:
black
More details...