|
Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | bertrandite | 6.00 | parallel | conchoidal | Transparent | none | 2.60 | glassy | clear | white | tabular | silicates | Twinning common. Color clear to pale yellow. |
|