Amazonite vs Calcite
| Property | Amazonite | Calcite |
|---|---|---|
| Formula | KAlSi3O8 | CaCO3 |
| Crystal System | Triclinic | Trigonal |
| Mineral Class | 09 Silicates | 05 Carbonates and Nitrates |
| Mohs Hardness | 6.0-6.5 | 3.0 |
| Color | Green, blue-green | Colorless, white, yellow, orange, blue, green |
| Luster | Vitreous | Vitreous |
| Streak | White | White |
| Transparency | Translucent | Transparent |
| Cleavage | Perfect {001}, good {010} | Perfect rhombohedral {1011} |
| Fracture | Conchoidal to uneven | Conchoidal |