General Information:
Chemical Formula:
PbCuBi5S9
Composition:
(Molecular Weight = 1,604.24 gm)
Copper 3.96 % Cu
Bismuth 65.13 % Bi
Lead 12.92 % Pb
Sulfur 17.99 % S
Empirical Formula:
PbCuBi5S9
Locality:
Gladhammer, Province of Kalmar, Sweden.
Name Origin:
Named after its locality
Physical Properties:
Cleavage:
[010] Good, [100] Imperfect
Color:
lead gray, gray, or tin white.
Density:
6.96
Diaphaniety:
Opaque
Habits:
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., ,
Hardness:
2.5-3 - Finger Nail-Calcite
Luster:
Metallic
Streak:
black
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