Mineral - Apatite

Name Apatite
Class Phosphates
Category Mineral
Crystal system Hexagonal
Chemical composition Fluorinated, chlorinated, or hydroxylated calcium phosphate (Ca₅(PO₄)₃(F,Cl,OH))
Hardness (Mohs scale) 5
Transparency Transparent to translucent
Geographical origin Brazil, Madagascar, Mexico, Russia, Canada, Burma