fluorapatite

(mineralogy) Ca₅(PO₄)₃F A mineral of the solid-solution series of the apatite group; common accessory mineral in igneous rocks. An apatite mineral in which the fluoride member dominates.

A member of the family of minerals that make up the basic structure of bones and teeth; basically a hydroxapatite form in which fluoride ions replace hydroxyl ions.

A fluorine-bearing mineral in rock phosphate. Contributes to local fluorine poisoning and also to distant sites if the rock phosphate is mined for livestock feeding as a dietary phosphorus supplement.