Template:Hackmanite
From The Gemology Project
Hackmanite | |
---|---|
Chemical composition | Natrium aluminium silicate |
Crystal system | Cubic |
Habit | Aggregate |
Hardness | 5 - 6 |
Refractive index | ± 1.48 |
Specific gravity | 2.15 - 2.40 |
Hackmanite | |
---|---|
Chemical composition | Natrium aluminium silicate |
Crystal system | Cubic |
Habit | Aggregate |
Hardness | 5 - 6 |
Refractive index | ± 1.48 |
Specific gravity | 2.15 - 2.40 |