|
Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | antimony | 3.00 | perfect | Uneven | opaque | none | 6.70 | metallic | silver | black | faceted | native element | Granular masses or radiate nodules. Fuses at low temperature 650C |
|