AM_Hydroxylapatite_4
Formula: Ca5 P3 O13 H2
Name: Hydroxylapatite
Unit cell: 9.4172 9.4172 6.8799 90.0 90.0 120.0 , V=528.39
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: H6M, synthetic