|
Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | covellite | 1.50 | basal | Uneven | opaque | none | 4.59 | submetallic | blue | red | microcrystalline | sulfides | dark blue with iridescence. Often looks like blue mica |
|