 |
MINERAL IDENTIFICATION PROJECT |
|
Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | pyrolusite | 6.00 | poor | Uneven | opaque | slow | 4.70 | submetallic | grey | blue | faceted | oxides | Blue-black streak. Soluable in HCl giving off chlorine. |
|