fluorite

Plural: fluorites

Noun

• A common halide mineral, typically green or purple.
• a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine
• A widely occurring mineral comprising calcium fluoride plus or minus impurities, of various colours, used as a flux in steelmaking, and in the manufacture of glass, enamels and hydrofluoric acid.

Examples

• Fluorite is an important natural resource of Thailand.
• The word FLUORITE glistened on the Words With Friends board, a valuable and unexpected gem.

Synonyms

fluor, fluorspar