General Information:
Chemical Formula:
(Pb,Tl)2AgAs2S5
Composition:
(Molecular Weight = 831.03 gm)
Thallium 12.30 % Tl
Silver 12.98 % Ag
Arsenic 18.03 % As
Lead 37.40 % Pb
Sulfur 19.29 % S
Empirical Formula:
Pb1.5Tl0.5AgAs2S5
Physical Properties:
Color:
lead gray or grayish black.
Density:
5.81
Diaphaniety:
Opaque
Luster:
Metallic
Streak:
dark brown
More details...