| Mineral | Barrerite |
|---|---|
| Formula | Na2(Si7Al2)O18 · 6H2O |
| Crystal Form | Orthorhombic/Dipyramidal [2/m 2/m 2/m] |
| Cleavage | Perfect on {010} |
| Color | White, Pink |
| Density | 2.1 – 2.3 g/cm3 |
| Diaphaneity | Transparent, Translucent |
| Hardness | 3.0 - 4.0 |
| Lustre | Vitreous |
| Streak | White |
| Type Loc. | Sant' Efisio Tower, Capo di Pula, Pula, Cagliari Prov., Sardinia, Italy |
| Dana 8 Class | 77.1.4.5 |
| Strunz Class | 9.GE.15 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 480 |