Apatite vs Fluorite
| Property | Apatite | Fluorite |
|---|---|---|
| Formula | Ca5(PO4)3(F,Cl,OH) | CaF2 |
| Crystal System | Hexagonal | Cubic (Isometric) |
| Mineral Class | 08 Phosphates, Arsenates, and Vanadates | 03 Halides |
| Mohs Hardness | 5.0 | 4.0 |
| Color | Green, blue, yellow, violet, colorless | Purple, blue, green, yellow, colorless, pink |
| Luster | Vitreous | Vitreous |
| Streak | White | White |
| Transparency | Transparent | Transparent |
| Cleavage | Poor {0001} | Perfect octahedral {111} |
| Fracture | Conchoidal to uneven | Conchoidal |