|
Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | marmatite | 3.00 | perfect | conchoidal | opaque | none | 4.0 | submetallic | black | yellow | faceted | sulfides | black sphalerite |
|