AM_Apatite-(CaOH)_11 Formula: Ca4.7 Na.1 Mg.02 P2.73 O12.2 H1.24 Name: Apatite-(CaOH) Unit cell: 9.4592 9.4592 6.8816 90.0 90.0 120.0 , V=533.25 Space group: P63/M (176)

Wilson R M , Elliot J C , Dowker S E P , American Mineralogist , 84 (1999) p.1406-1414, Rietveld refinement of the crystallographic structure of human dental, enamel apatites, Sample: RFP - enamel