Chalcogen, Hydroxylapatite, Hexagonal, Structural properties

• Ca-H-O-P
• Ca-F-H-O-P
• C-Ca-Cl-H-O-P
• Ca-F-H-O-P-Sr
• C-Ca-H-Na-O-P
• disordered
• apatite
• alkaline
• chalcogen
• hydroxide