Amazonite vs Corundum
| Property | Amazonite | Corundum |
|---|---|---|
| Formel | KAlSi3O8 | Al2O3 |
| Kristallsystem | Triclinic | Trigonal |
| Mineralklasse | 09 Silicates | 04 Oxides and Hydroxides |
| Mohshärte | 6.0-6.5 | 9.0 |
| Farbe | Green, blue-green | Red (ruby), blue (sapphire), various colors |
| Glanz | Vitreous | Adamantine |
| Strichfarbe | White | Colorless |
| Transparenz | Translucent | Transparent |
| Spaltbarkeit | Perfect {001}, good {010} | None |
| Bruch | Conchoidal to uneven | Conchoidal to uneven |