AM_Hydroxylapatite_16
Formula: Ca4.73 Na.1 Mg.02 P2.85 O12.36 H1.1
Name: Hydroxylapatite
Unit cell: 9.4616 9.4616 6.8819 90.0 90.0 120.0 , V=533.54
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: RHB - enamel