|
Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | cassiterite | 6.00 | poor | conchoidal | Transparent | none | 6.80 | glassy | brown | white | prismatic | oxides | Tin ore. Often with elbow shaped twinning. |
|