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Chemical Composition: PbCuSbS2
Group: -
System: Orthorhombic
Family: Sulpho-salts
Hardness: 2.5 - 3
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- Stubby or tabular, prismatic crystals
- Other colours: dark grey or black
- Very heavy, fragile
- Fuses easily
- Dissolves in nitric acid
- Found in: Bolivia, Czech Republic, England, Germany,
Sardinia, Slovakia, USA
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