General Information:
Chemical Formula:
(Ag,Tl)2Pb8Sb8S21
Composition:
(Molecular Weight = 3,568.98 gm)
Thallium 2.86 % Tl
Silver 4.53 % Ag
Antimony 27.29 % Sb
Lead 46.44 % Pb
Sulfur 18.87 % S
Empirical Formula:
Ag1.5Tl0.5Pb8Sb8S21
IMA Status:
Approved IMA
Physical Properties:
Cleavage:
None
Color:
lead gray or gray.
Density:
6.13
Diaphaniety:
Opaque
Hardness:
2.5 - Finger Nail
Luster:
Metallic
Streak:
lead gray
More details...