Hydroxylapatite
Lee Y J, Stephens P W, Tang Y, Li W, Phillips B L, Parise J B, Reeder R J
American Mineralogist 94 (2009) 666-675
Arsenate substitution in hydroxylapatite: Structural characterization of the
Ca5(PxAs1-xO4)3OH solid solution
Sample: As0
Locality: synthetic
_database_code_amcsd 0004924
9.4212 9.4212 6.8927 90 90 120 P6_3/m
atom      x      y      z occ Biso
Ca1     1/3    2/3 .00097     .542
Ca2  .24642 .99283    .25     .542
P    .39717 .36792    .25     .542
O1   .32694 .48259    .25     .542
O2   .58687 .46621    .25     .542
O3   .34163 .25520 .06978     .542
OH4       0      0  .1978  .5 .542