|
Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | arsenic | 3.00 | basal | Uneven | opaque | none | 5.40 | dull | grey | grey | faceted | native element | Surface usually tarnished. Ductile and malleable, basal cleaveage but usually not seen. dissolves easily in nitric acid. |
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