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