Azurite vs Corundum
| Property | Azurite | Corundum |
|---|---|---|
| Fórmula | Cu3(CO3)2(OH)2 | Al2O3 |
| Sistema Cristalino | Monoclinic | Trigonal |
| Classe Mineral | 05 Carbonates and Nitrates | 04 Oxides and Hydroxides |
| Dureza Mohs | 3.5-4.0 | 9.0 |
| Cor | Azure blue, dark blue | Red (ruby), blue (sapphire), various colors |
| Brilho | Vitreous | Adamantine |
| Traço | Light blue | Colorless |
| Transparência | Transparent | Transparent |
| Clivagem | Perfect {011}, fair {100} | None |
| Fratura | Conchoidal | Conchoidal to uneven |