Whitlockite
Gopal R, Calvo C
Nature Physical Science 237 (1972) 30-32
Structural relationship of whitlockite and beta-Ca3(PO4)2
Locality: Palermo Quarry
Sample: Unheated, T = 293 K, hexagonal cell
Note: CaIIB1(z) changed
_database_code_amcsd 0014686
10.330 10.330 37.103 90 90 120 R3c
atom        x     y      z  occ  Uiso
CaIB    .2884 .1541 .67330      .0249
CaIIB1  .2593 .1455 .56593      .0074
CaIIB2  .3871 .1794 .76822      .0081
CaIIA       0     0  .8119 .083  .026
Mg          0     0      0   .8 .0125
Fe          0     0      0   .2 .0125
PA1         0     0  .7328 .167  .003
PA2         0     0  .7542 .833 .0102
PB1     .3162 .1423 .86472      .0075
PB2     .3497 .1567 .96786      .0065
OIB1    .2722 .0905  .8256       .015
OIIB1   .2456 .2316  .8784       .014
OIIB3   .2734 .0015  .8869       .010
OIIB5   .4885 .2419  .8695       .008
OIB2    .4012 .1952  .0073       .014
OIIB2   .3993 .0478  .9544       .012
OIIB4   .4160 .3036  .9469       .012
OIIB6   .1780 .0781  .9639       .008
OIA1        0     0  .6914  .17  .030
OIA2        0     0  .7976  .83  .009
OIIA1  -.0169 .1349  .7432  .17  .013
OIIA2  -.0174 .1319  .7428  .83  .025