Calcite vs Celestine
| Property | Calcite | Celestine |
|---|---|---|
| Formula | CaCO3 | SrSO4 |
| Crystal System | Trigonal | Orthorhombic |
| Mineral Class | 05 Carbonates and Nitrates | 07 Sulfates, Chromates, Molybdates, and Tungstates |
| Mohs Hardness | 3.0 | 3.0-3.5 |
| Color | Colorless, white, yellow, orange, blue, green | Colorless, pale blue, white, yellow |
| Luster | Vitreous | Vitreous |
| Streak | White | White |
| Transparency | Transparent | Transparent |
| Cleavage | Perfect rhombohedral {1011} | Perfect {001} |
| Fracture | Conchoidal | Uneven |