AM_Hydroxylapatite_15
Formula: Ca4.73 Na.1 Mg.02 P2.76 O12.85 H1.46
Name: Hydroxylapatite
Unit cell: 9.4586 9.4586 6.8809 90.0 90.0 120.0 , V=533.13
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: RHP - enamel