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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 | sanidine (feldspar group) | 6.00 | poor | conchoidal | Transparent | none | 2.53 | glassy | white | white | tabular | silicates | Color from clear to white to tan. Transparent to opaque. Most often found in rhyolite. |
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