|
Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | pyrargyrite | 2.50 | parallel | Uneven | Translucent | none | 5.85 | submetallic | black | purple | prismatic | sulfides | rhombohedral cleavage. |
|