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: RE2 - enamel
_database_code_amcsd 0002289
9.4598 9.4598 6.8865 90 90 120 P6_3/m
atom     x     y     z occ
Ca1    2/3   1/3 .0024 .97
Na1    2/3   1/3 .0024 .02
Mg1    2/3   1/3 .0024 .01
Ca2  .2452 .9905   .25 .93
Na2  .2452 .9905   .25 .02
P    .3977 .3696   .25 .93
O1   .3327 .4875   .25 .89
O2   .5779 .4602   .25
O3   .3364 .2532 .0716 .85
Oh       0     0 .1881 .48
H        0     0 .0608 .79