 |
MINERAL IDENTIFICATION PROJECT |
|
Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | sphalerite | 3.00 | perfect | conchoidal | Transparent | none | 3.90 | glassy | yellow | yellow | faceted | sulfides | yellow to red color. Color variable to black. often micro crystalline. |
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