Calcite vs Kyanite
| Property | Calcite | Kyanite |
|---|---|---|
| Formule | CaCO3 | Al2SiO5 |
| Système Cristallin | Trigonal | Triclinic |
| Classe Minérale | 05 Carbonates and Nitrates | 09 Silicates |
| Dureté Mohs | 3.0 | 4.5-7.0 |
| Couleur | Colorless, white, yellow, orange, blue, green | Blue, white, gray, green |
| Éclat | Vitreous | Vitreous |
| Trait | White | Colorless |
| Transparence | Transparent | Translucent |
| Clivage | Perfect rhombohedral {1011} | Perfect {100} |
| Cassure | Conchoidal | Splintery |