| Mineral | Boracite |
|---|---|
| Formula | Mg3B7O13Cl |
| Crystal Form | Orthorhombic/Pyramidal [mm2] |
| Cleavage | None observed |
| Color | Green, Blue, Colorless, Grey, White; Dark green (ferroan) |
| Density | 2.9 – 3.1 g/cm3 |
| Diaphaneity | Transparent, Translucent |
| Fracture | Irregular/Uneven, Conchoidal |
| Hardness | 7.0 - 7.5 |
| Lustre | Adamantine, Vitreous |
| Streak | White |
| Type Loc. | Lüneburger Kalkberg, Lüneburg, Lower Saxony, Germany |
| Dana 8 Class | 25.6.1.1 |
| Strunz Class | 5/L.04-10 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 422 |