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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 | quartz | 7.00 | none | conchoidal | Transparent | none | 2.65 | glassy | clear | white | prismatic | silicates | Clear hexagonal crystals with pointed termination(s). Quartz can be transparent to opaque, colorless to black and almost every color in between. No cleavage and conchoidal fracture is common in all varieties. |
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