Azurite vs Corundum
| Property | Azurite | Corundum |
|---|---|---|
| Formel | Cu3(CO3)2(OH)2 | Al2O3 |
| Kristallsystem | Monoclinic | Trigonal |
| Mineralklasse | 05 Carbonates and Nitrates | 04 Oxides and Hydroxides |
| Mohshärte | 3.5-4.0 | 9.0 |
| Farbe | Azure blue, dark blue | Red (ruby), blue (sapphire), various colors |
| Glanz | Vitreous | Adamantine |
| Strichfarbe | Light blue | Colorless |
| Transparenz | Transparent | Transparent |
| Spaltbarkeit | Perfect {011}, fair {100} | None |
| Bruch | Conchoidal | Conchoidal to uneven |