AM_Apatite-(CaOH)_8 Formula: Ca4.7 Na.1 Mg.05 P2.61 O12.51 H.46 Name: Apatite-(CaOH) Unit cell: 9.4343 9.4343 6.8681 90.0 90.0 120.0 , V=529.40 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: RC8 - enamel