AM_Apatite-(CaOH)_6 Formula: Ca4.73 Na.1 Mg.05 P2.76 O11.88 H1.16 Name: Apatite-(CaOH) Unit cell: 9.4623 9.4623 6.8863 90.0 90.0 120.0 , V=533.96 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: RC1 - enamel