| Mineral | Lazulite |
|---|---|
| Formula | (Mg,Fe2+)Al2[OH|PO4]2 |
| Crystal Form | Monoclinic/Prismatic [2/m] |
| Cleavage | [001] Indistinct, [???] Indistinct |
| Color | Blue, Sky-blue, Bluish white |
| Density | 3.1 – 3.2 g/cm3 |
| Diaphaneity | Transparent, Translucent |
| Fracture | Brittle |
| Hardness | 5.5 - 6.0 |
| Lustre | Vitreous |
| Streak | White |
| Dana 8 Class | 41.10.1.1 |
| Strunz Class | VII/B.08-20 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 90 |