Apatite-(CaCl)
Hughes J M, Cameron M, Crowley K D
American Mineralogist 75 (1990) 295-304
Crystal structures of natural ternary apatites: Solid solution in the
Ca5(PO4)3X (X = F,OH,Cl) system
_database_code_amcsd 0001293
9.4877 18.9628 6.8224 90 90 119.9739 P2_1/b
atom      x      y     z  occ Biso
Ca11  .3313 .58243 .0020      1.14
Ca12  .3356 .58434 .4980      1.51
Ca21  .2511 .24809 .2498      1.48
Ca22 -.0038 .62258 .7492      1.48
Ca23  .2550 .37554 .7503      1.49
P1    .4018 .43534 .2505      1.01
P2    .6292 .26557 .2508      1.02
P3    .0312 .45093 .7502      1.02
O11   .3346  .4939 .2510      1.41
O12   .4880  .3268 .7511      1.41
O13   .1534  .5829 .2492      1.41
O21   .5894  .4825 .2465      1.63
O22   .5346  .3121 .2490      1.62
O23   .1242  .5447 .7476      1.60
O31   .3441  .3800 .0709      2.00
O32   .7399  .2926 .0710      1.89
O33   .0846  .4217 .5710      1.93
O34   .3508  .3817 .4331      2.00
O35   .7365  .2932 .4329      2.10
O36   .0865  .4258 .9338      2.05
ClB    .000  .2507  .130 .235 1.39
ClA   .0000  .2494 .4345 .235 1.22
F     .0000  .2502  .237 .290 1.40
OH    .0006  .2498  .340 .240 0.14