 |
MINERAL IDENTIFICATION PROJECT |
|
Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | purpurite | 4.00 | basal | Uneven | Translucent | none | 3.40 | submetallic | purple | red | microcrystalline | phosphates | Brown to black surface alteration. Translucent to opaque. Usually massive. |
|