Color
|
Trasparency
|
Hardness
|
Cleavage
|
Specific gravity |
Luster |
Streak |
Fracture |
|
Emerald green |
Transparent to opaque |
7 * -
8 on the Mohs’ scale |
basal but not distinct |
2.63
- 2.80 |
vitreous |
white |
conchoidal, brittle,
uneven |