Mineral | Beryl var. Aquamarine |
---|---|
Formula | Be3Al2Si6O18 |
Crystal Form | Hexagonal/Dihexagonal Dipyramidal [6/m 2/m 2/m] |
Cleavage | [0001] Imperfect |
Color | Aquamarine, Blue |
Density | 2.6 – 2.9 g/cm3 |
Diaphaneity | Transparent to Subtranslucent |
Fracture | Brittle - Conchoidal |
Hardness | 7.5 - 8.0 |
Lustre | Vitreous |
Streak | White |
Dana 8 Class | 61.1.1.1 |
Strunz Class | VIII/E.12-10 |
Mindat | mindat.org |
WebMineral | WebMineral |
ID | 11 |