|
Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | amblygonite | 5.50 | parallel | Uneven | Transparent | none | 3.10 | glassy | white | white | faceted | phosphates | Variable color--white, yellow, pink, green or blue. Occurs in granitic pegmatites. |
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