 |
MINERAL IDENTIFICATION PROJECT |
|
Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | limonite | 5.00 | none | Uneven | opaque | none | 4.00 | dull | brown | brown | microcrystalline | hydroxides | Color variable from yellow, through orange to brown to black. Hardness variable. Basically it's the oxidation of iron rich minerals (rust). |
|