 |
MINERAL IDENTIFICATION PROJECT |
|
Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | pentlandite | 3.00 | none | conchoidal | opaque | none | 4.60 | metallic | gold | metallic | faceted | sulfides | has a bronze-yellow color. bronze-brown streak. Mineral contains nickel (think 5 cents). |
|