Apatite vs Feldspar (Orthoclase)
| Property | Apatite | Feldspar (Orthoclase) |
|---|---|---|
| 化学式 | Ca5(PO4)3(F,Cl,OH) | KAlSi3O8 |
| 晶系 | Hexagonal | Monoclinic |
| 鉱物分類 | 08 Phosphates, Arsenates, and Vanadates | 09 Silicates |
| モース硬度 | 5.0 | 6.0-6.5 |
| 色 | Green, blue, yellow, violet, colorless | White, pink, cream, gray |
| 光沢 | Vitreous | Vitreous |
| 条痕色 | White | White |
| 透明度 | Transparent | Translucent |
| 劈開 | Poor {0001} | Perfect {001}, good {010} |
| 断口 | Conchoidal to uneven | Uneven to conchoidal |