Apatite is a group of phosphate minerals that are widely found in nature. The general formula for apatite is often represented as Ca5(PO4)3(F,Cl,OH), indicating that it primarily consists of calcium phosphate, with varying amounts of fluorine, chlorine, or hydroxyl ions. It comes in several forms and colors and is an important component of biological systems, particularly in the formation of bones and teeth in vertebrates.
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