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Chemical Composition: Cu2O
Group: -
System: Isometric
Family: Oxides & Hydroxides
Hardness: 3.5 - 4
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- Octagonal, cubic or dodecahedral crystals, of a
combination of the above forms
- Fine acicular, hairlike crystals
- Poor cleavage
- Bright red streak
- Metallic; adamantine luster, altering to semi-opaque
if exposed to air
- Other colours: ruby-red or green
- Very heavy, fragile
- Translucent
- Soluble in concentrated acids
- Fuses readily
- Specific gravity 5.8 - 6.2
- Found in: Bolivia, Chile, England, France, Italy,
Namibia, USA, former USSR
- Rare
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