Calcite vs Hematite
| Property | Calcite | Hematite |
|---|---|---|
| Fórmula | CaCO3 | Fe2O3 |
| Sistema Cristalino | Trigonal | Trigonal |
| Classe Mineral | 05 Carbonates and Nitrates | 04 Oxides and Hydroxides |
| Dureza Mohs | 3.0 | 5.0-6.5 |
| Cor | Colorless, white, yellow, orange, blue, green | Steel-gray to black, red-brown |
| Brilho | Vitreous | Metallic |
| Traço | White | Reddish-brown |
| Transparência | Transparent | Opaque |
| Clivagem | Perfect rhombohedral {1011} | None |
| Fratura | Conchoidal | Conchoidal to uneven |