Cassiterite vs Corundum
| Property | Cassiterite | Corundum |
|---|---|---|
| Fórmula | SnO2 | Al2O3 |
| Sistema Cristalino | Tetragonal | Trigonal |
| Classe Mineral | 04 Oxides and Hydroxides | 04 Oxides and Hydroxides |
| Dureza Mohs | 6.0-7.0 | 9.0 |
| Cor | Brown, black, reddish-brown, yellow | Red (ruby), blue (sapphire), various colors |
| Brilho | Adamantine | Adamantine |
| Traço | White to pale brown | Colorless |
| Transparência | Translucent | Transparent |
| Clivagem | Poor {100} | None |
| Fratura | Subconchoidal to uneven | Conchoidal to uneven |