Hydroxylapatite
Fleet M E, Liu X, King P L
American Mineralogist 89 (2004) 1422-1432
Accommodation of the carbonate ion in apatite: An FTIR and X-ray structure study
of crystals synthesized at 2-4 GPa
Sample: xt372
_database_code_amcsd 0003640
9.4234 9.4234 6.8801 90 90 120 P6_3/m
atom      x      y      z  occ  Uiso
Ca1     2/3    1/3  .0017      .0148
Ca2  .99304 .24700    .25      .0137
P     .3688  .3988    .25 .976 .0101
O1    .4845  .3289    .25      .0150
O2    .4649  .5866    .25      .0200
O3    .2580  .3432  .0714 .988 .0240
O4        0      0  .1950   .5  .023
H         0      0   .053  .72  .023
OB3     .36    .43    .47 .014  .025