fluorite


fluorite

Common halide mineral, calcium fluoride (CaF); the principal fluorine mineral. Fluorite occurs most commonly as a vein mineral and is often associated with lead and silver ores; it also occurs in cavities, sedimentary rocks, pegmatites, and hot-springs areas. It is widespread in China, South Africa, Mongolia, France, Mexico, Russia, and the central U.S. Fluorite is used in the manufacture of steel, aluminum fluoride, artificial cryolite, and aluminum. It is used in glassmaking, in iron and steel enamelware, in the production of hydrofluoric acid, in the refining of lead and antimony, and (as a catalyst) in the manufacture of high-octane fuels.

Variants of FLUORITE

fluorite or fluorspar

This entry comes from Encyclopædia Britannica Concise.
For the full entry on fluorite, visit Britannica.com.

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