Amazonite vs Beryl (Emerald)
| Property | Amazonite | Beryl (Emerald) |
|---|---|---|
| Formula | KAlSi3O8 | Be3Al2(SiO3)6 |
| Crystal System | Triclinic | Hexagonal |
| Mineral Class | 09 Silicates | 09 Silicates |
| Mohs Hardness | 6.0-6.5 | 7.5-8.0 |
| Color | Green, blue-green | Green (emerald), blue (aquamarine), pink (morganite), yellow (heliodor) |
| Luster | Vitreous | Vitreous |
| Streak | White | Colorless |
| Transparency | Translucent | Transparent |
| Cleavage | Perfect {001}, good {010} | Poor {0001} |
| Fracture | Conchoidal to uneven | Conchoidal to uneven |