Cassiterite vs Corundum
| Property | Cassiterite | Corundum |
|---|---|---|
| Formule | SnO2 | Al2O3 |
| Système Cristallin | Tetragonal | Trigonal |
| Classe Minérale | 04 Oxides and Hydroxides | 04 Oxides and Hydroxides |
| Dureté Mohs | 6.0-7.0 | 9.0 |
| Couleur | Brown, black, reddish-brown, yellow | Red (ruby), blue (sapphire), various colors |
| Éclat | Adamantine | Adamantine |
| Trait | White to pale brown | Colorless |
| Transparence | Translucent | Transparent |
| Clivage | Poor {100} | None |
| Cassure | Subconchoidal to uneven | Conchoidal to uneven |