General Information:
Chemical Formula:
Pb14Ag5Sb21S48 (?)
Composition:
(Molecular Weight = 7,536.06 gm)
Silver 7.16 % Ag
Antimony 33.93 % Sb
Lead 38.49 % Pb
Sulfur 20.42 % S
Empirical Formula:
Pb14Ag5Sb21S48
Locality:
Kisbanya, Comitat Szatmar, Rumainia.
Physical Properties:
Cleavage:
[010] Good
Color:
lead gray, dark gray, or steel gray.
Density:
5.56
Diaphaniety:
Opaque
Habits:
Striated - Parallel lines on crystal surface or cleavage face., Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).,
Hardness:
2 - Gypsum
Luster:
Metallic
Streak:
dark gray
More details...