|
Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | willemite | 5.50 | perfect | conchoidal | Transparent | none | 4.00 | waxy | clear | white | microcrystalline | silicates | Clear to brown to yellow-green. Found in marble. |
|