mineral
Fluorite
Calcium Fluoride (CaF2)
AI-generated identification · may be incorrectMohs hardness of 4, vitreous luster, cubic crystal system, perfect octahedral cleavage, and variable colors including purple, green, blue, and yellow.
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Physical properties
Mohs hardness of 4, vitreous luster, cubic crystal system, perfect octahedral cleavage, and variable colors including purple, green, blue, and yellow.
Formation & geological history
Formed mainly in hydrothermal veins and as a replacement deposit in limestone, often associated with metallic ores like lead and zinc.
Uses & applications
Widely used in metallurgy as a flux, in the manufacturing of optical equipment, and as a popular collector specimen or gemstone.
Geological facts
Fluorite is the defining mineral for a hardness of 4 on the Mohs scale and exhibits strong fluorescence under ultraviolet light.
Field identification & locations
Easily identified by its relatively low hardness, perfect cleavage, and range of vibrant colors; found globally with major deposits in China, Mexico, and South Africa.
