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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 | gold | 2.00 | none | hackly | opaque | none | 19.30 | metallic | gold | yellow | faceted | native element | Opaque with bright metalic luster. Insoluble in all acids (except aqua regia). Normally occurs in small grains or flakes. |
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