General Information:
Chemical Formula:PbCuBi5S9
Composition:(Molecular Weight = 1,604.24 gm)Copper 3.96 %
CuBismuth 65.13 %
BiLead 12.92 %
PbSulfur 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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