|
Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | microcline (feldspar group) | 6.00 | poor | conchoidal | Translucent | none | 2.55 | glassy | white | white | tabular | silicates | Color white, pink, tan, brown, to green (amazonite). Look for lighter (or darker) veining or parallel inclusions. |
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