Azurite vs Corundum
| Property | Azurite | Corundum |
|---|---|---|
| 化学式 | Cu3(CO3)2(OH)2 | Al2O3 |
| 晶系 | Monoclinic | Trigonal |
| 矿物分类 | 05 Carbonates and Nitrates | 04 Oxides and Hydroxides |
| 莫氏硬度 | 3.5-4.0 | 9.0 |
| 颜色 | Azure blue, dark blue | Red (ruby), blue (sapphire), various colors |
| 光泽 | Vitreous | Adamantine |
| 条痕色 | Light blue | Colorless |
| 透明度 | Transparent | Transparent |
| 解理 | Perfect {011}, fair {100} | None |
| 断口 | Conchoidal | Conchoidal to uneven |