Apatite vs Chalcopyrite
| Property | Apatite | Chalcopyrite |
|---|---|---|
| Formule | Ca5(PO4)3(F,Cl,OH) | CuFeS2 |
| Système Cristallin | Hexagonal | Tetragonal |
| Classe Minérale | 08 Phosphates, Arsenates, and Vanadates | 02 Sulfides and Sulfosalts |
| Dureté Mohs | 5.0 | 3.5-4.0 |
| Couleur | Green, blue, yellow, violet, colorless | Brass-yellow, often with iridescent tarnish |
| Éclat | Vitreous | Metallic |
| Trait | White | Greenish-black |
| Transparence | Transparent | Opaque |
| Clivage | Poor {0001} | Poor |
| Cassure | Conchoidal to uneven | Conchoidal to uneven |