Tags: Chemical Substance, Mineral.
Fluorapatite often with the alternate spelling of fluoroapatite is a mineral with the formula Ca5(PO4)3F (calcium fluorophosphate). Fluorapatite is a hard crystalline solid. Although samples can have various color (green brown blue violet or colorless) the pure mineral is colorless as expected for a material lacking transition metals. It is an important constituent of tooth enamel.Fluorapatite crystallizes in a hexagonal crystal system.