AM_Apatite-(CaOH)_14 Formula: Ca4.76 Na.1 Mg.05 P2.85 O12.27 H2 Name: Apatite-(CaOH) Unit cell: 9.4506 9.4506 6.878 90.0 90.0 120.0 , V=532.00 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: RGB - enamel