|
Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | volborthite | 3.50 | poor | conchoidal | Translucent | none | 3.30 | glassy | green | white | faceted | vanadates | Color variable. Large minerals rare. |
|