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Chemical Composition:
CuSiO2(OH)2
Group: -
System: Hexagonal
Family: Silicates
Hardness: 5
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- Stubby, prismatic crystals
- Heavy, fragile
- Infusible, expands and turns black when heated
- Dissolves in hydrochloric acid and nitric acid
- Soluble in ammonia
- Found in: Chile, Namibia, USA, former USSR,
Zaïre
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