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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 | tarbuttite | 3.50 | basal | Uneven | Transparent | none | 4.10 | glassy | white | white | prismatic | phosphates | Variable color--white, pink, yellow or green. Found in the oxidation zone of zinc deposits. |
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