|
Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | greenockite | 3.00 | parallel | conchoidal | Translucent | none | 4.90 | glassy | yellow | orange | faceted | sulfides | usually a coating of small crystals on sphalerite or other zinc minerals |
|