Amazonite vs Azurite
| Property | Amazonite | Azurite |
|---|---|---|
| Formula | KAlSi3O8 | Cu3(CO3)2(OH)2 |
| Crystal System | Triclinic | Monoclinic |
| Mineral Class | 09 Silicates | 05 Carbonates and Nitrates |
| Mohs Hardness | 6.0-6.5 | 3.5-4.0 |
| Color | Green, blue-green | Azure blue, dark blue |
| Luster | Vitreous | Vitreous |
| Streak | White | Light blue |
| Transparency | Translucent | Transparent |
| Cleavage | Perfect {001}, good {010} | Perfect {011}, fair {100} |
| Fracture | Conchoidal to uneven | Conchoidal |