|
Hard- ness |
Cleavage |
Fracture |
Trans- parency |
10% HCl Reaction |
SG |
Luster |
Color |
Streak |
Xtal Form |
Mineral Class |
Comments | emerald | 7.50 | poor | conchoidal | Transparent | none | 2.65 | glassy | green | white | prismatic | silicates | Beryl with a strong green color. |
|