any of a group of variously colored, hard, hexagonal calcium minerals, Ca(PO,CO) (F,OH,Cl), found mainly in sedimentary rocks, esp. phosphate rock, and in teeth and bones
Origin of apatiteGerman apatit from Classical Greek apat?, deceit + -ite: so named from being mistaken for other minerals
- Any of a group of natural, variously colored calcium phosphate minerals containing fluorine, chlorine, or hydroxyl. These compounds form hexagonal crystals and are components of bones and teeth, are a source of phosphorus for plants, and are used in the manufacture of fertilizers.
- See fluorapatite.
Origin of apatiteFrom Greek apatē deceit (from its often being mistaken for other minerals)