Rock Identifier
Fluorite (Calcium Fluoride (CaF2)) — mineral
mineral

Fluorite

Calcium Fluoride (CaF2)

AI-generated identification · may be incorrect

Hardness of 4 on the Mohs scale, variable colors including purple and green, vitreous luster, and cubic crystal system with perfect octahedral cleavage.

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Physical properties

Hardness of 4 on the Mohs scale, variable colors including purple and green, vitreous luster, and cubic crystal system with perfect octahedral cleavage.

Formation & geological history

Formed in hydrothermal veins and sedimentary rock cavities, precipitating from fluorine-bearing solutions.

Uses & applications

Used in metallurgy as a flux, in the manufacturing of optical equipment, and as a popular collector gemstone.

Geological facts

Fluorite is the mineral defining hardness 4 on the Mohs scale and exhibits strong fluorescence under ultraviolet light.

Field identification & locations

Easily identified by its cubic crystals, perfect cleavage, and relatively low hardness. Found worldwide in locations like China, Mexico, and the USA.