Fluorite

Fluorite is the mineral form of calcium fluoride. It has a chemical formula of CaF₂.

Fluorite is the main source of fluorine and fluorides. It naturally fluoridates drinking water in places where it is found. It has a hardness of 5. It barely dissolves in water. Geologists have found about 9000 deposits of fluorite found on the Earth. It is mainly mined in China, Mexico and Russia.

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