|
Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | petalite | 6.00 | basal | Uneven | Translucent | none | 2.41 | glassy | white | white | tabular | silicates | Usually massive aggregates. One good cleavage plane. |
|