| Fluorite
III - Halogenides |
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| Name | Fluorite
(Fluor Spar) |
|
| Chemistry | CaF2 | |
| Hardness | 4 | |
| Lustre | vitreous | |
| Colour | white, yellow, green, red, blue | |
| Streak | white | |
| Density [g/cm3] | 5.4 - 5.9 | |
| Crystal habit | isometric, crystals [100], [111], [110], [210], twins [111] | |
| Cleavage, Fracture | [111] perfect | |
| other characteristics and occurrences | granular, coarse crystalline, often colours arranged in zone, common in hydrothermal veins (low temperature) with sulfides, sulfates and quartz (SiO2) | |