Amazonite vs Corundum
| Property | Amazonite | Corundum |
|---|---|---|
| Formule | KAlSi3O8 | Al2O3 |
| Système Cristallin | Triclinic | Trigonal |
| Classe Minérale | 09 Silicates | 04 Oxides and Hydroxides |
| Dureté Mohs | 6.0-6.5 | 9.0 |
| Couleur | Green, blue-green | Red (ruby), blue (sapphire), various colors |
| Éclat | Vitreous | Adamantine |
| Trait | White | Colorless |
| Transparence | Translucent | Transparent |
| Clivage | Perfect {001}, good {010} | None |
| Cassure | Conchoidal to uneven | Conchoidal to uneven |