| Mineral | Celestine |
|---|---|
| Formula | SrSO4 |
| Crystal Form | Orthorhombic/Dipyramidal [2/m 2/m 2/m] |
| Cleavage | [001] Perfect, [210] Good |
| Color | Blue, Brown, Colorless, Green, Gray |
| Density | 3.9 – 4.0 g/cm3 |
| Diaphaneity | Transparent to subtranslucent |
| Fracture | Brittle - Conchoidal |
| Hardness | 3.0 - 3.5 |
| Lustre | Vitreous |
| Streak | White |
| Type Loc. | Bell's Mill, Bellwood, Blair Co., PA, USA |
| Dana 8 Class | 28.3.1.2 |
| Strunz Class | VI/A.09-10 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 65 |