Hydroxylapatite
Wilson R M, Elliot J C, Dowker S E P
American Mineralogist 84 (1999) 1406-1414
Rietveld refinement of the crystallographic structure of human dental
enamel apatites
Sample: Prep.63b, synthetic
_database_code_amcsd 0002284
9.4232 9.4232 6.8833 90 90 120 P6_3/m
atom     x     y     z occ
Ca1    2/3   1/3 .0014
Ca2  .2469 .9931   .25
P    .3984 .3679   .25
O1   .3273 .4848   .25
O2   .5852 .4635   .25
O3   .3415 .2565 .0690
OH       0     0 .1917  .5
H        0     0 .0608  .5