Calcite vs Hematite
| Property | Calcite | Hematite |
|---|---|---|
| Formule | CaCO3 | Fe2O3 |
| Système Cristallin | Trigonal | Trigonal |
| Classe Minérale | 05 Carbonates and Nitrates | 04 Oxides and Hydroxides |
| Dureté Mohs | 3.0 | 5.0-6.5 |
| Couleur | Colorless, white, yellow, orange, blue, green | Steel-gray to black, red-brown |
| Éclat | Vitreous | Metallic |
| Trait | White | Reddish-brown |
| Transparence | Transparent | Opaque |
| Clivage | Perfect rhombohedral {1011} | None |
| Cassure | Conchoidal | Conchoidal to uneven |