Apatite vs Feldspar (Orthoclase)
| Property | Apatite | Feldspar (Orthoclase) |
|---|---|---|
| Formule | Ca5(PO4)3(F,Cl,OH) | KAlSi3O8 |
| Système Cristallin | Hexagonal | Monoclinic |
| Classe Minérale | 08 Phosphates, Arsenates, and Vanadates | 09 Silicates |
| Dureté Mohs | 5.0 | 6.0-6.5 |
| Couleur | Green, blue, yellow, violet, colorless | White, pink, cream, gray |
| Éclat | Vitreous | Vitreous |
| Trait | White | White |
| Transparence | Transparent | Translucent |
| Clivage | Poor {0001} | Perfect {001}, good {010} |
| Cassure | Conchoidal to uneven | Uneven to conchoidal |