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MINERAL IDENTIFICATION PROJECT |
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Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | copper | 2.00 | none | hackly | opaque | none | 8.93 | metallic | copper | metallic | faceted | native element | Surface usually tarnished. Ductile and malleable, no cleaveage. dissolves easily in nitric acid. |
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