Apatite-(CaF)
Comodi P, Liu Y, Zanazzi P F, Montagnoli M
Physics and Chemistry of Minerals 28 (2001) 219-224
Structural and vibrational behaviour of fluorapatite with pressure.
Part 1: in situ single-crystal X-ray diffraction investigation
Sample: P = 3.04 GPa
_database_code_amcsd 0008538
9.268 9.268 6.834 90 90 120 P6_3/m
atom      x     y     z  Uiso
Ca1     2/3   1/3 .0008 .0106
Ca2  -.0096 .2396   .25 .0095
P     .3681 .3975   .25 .0078
O1    .4838 .3246   .25 .0011
O2    .4675 .5880   .25 .0014
O3    .2562 .3421 .0688 .0171
F         0     0   .25  .031