|
Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | colemanite | 4.00 | perfect | Uneven | Transparent | none | 2.40 | glassy | clear | white | faceted | borates | Clear to white color. Mineral ore of boron |
|