Celestine vs Hematite
| Property | Celestine | Hematite |
|---|---|---|
| Formula | SrSO4 | Fe2O3 |
| Crystal System | Orthorhombic | Trigonal |
| Mineral Class | 07 Sulfates, Chromates, Molybdates, and Tungstates | 04 Oxides and Hydroxides |
| Mohs Hardness | 3.0-3.5 | 5.0-6.5 |
| Color | Colorless, pale blue, white, yellow | Steel-gray to black, red-brown |
| Luster | Vitreous | Metallic |
| Streak | White | Reddish-brown |
| Transparency | Transparent | Opaque |
| Cleavage | Perfect {001} | None |
| Fracture | Uneven | Conchoidal to uneven |