1. A mineral form of calcium fluoride (CaF₂), typically purple, green, or colorless, used in metallurgy, glass-making, and as a source of fluorine compounds.
Usage: Also called fluorite.; Common in industrial and scientific contexts.

Examples

• Fluorspar is mined extensively for use in steel production.
• The jeweler admired the purple fluorspar crystal in her collection.
• Fluorspar serves as a key raw material in the manufacture of hydrofluoric acid.
• Geologists identified fluorspar deposits in the limestone formation.
• The glass factory uses fluorspar to lower the melting point of silica.