Fluorapatite Hughes J M, Nekvasil H, Ustunisik G, Lindsley D H, Coraor A E, Vaughn J, Phillips B L, McCubbin F M, Woerner W R American Mineralogist 99 (2014) 369-376 Solid solution in the fluorapatite-chlorapatite binary system: High-precision crystal structure refinements of synthetic F-Cl apatite. Note: Sample HNF5CL5-8 Locality: Synthetic _database_code_amcsd 0020114 9.5101 9.5101 6.83000 90 90 120 P6_3/m atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Ca1 2/3 1/3 -.00218 .01339 .01578 .01578 .00861 .00789 0 0 Ca2 .00352 .25495 .25 .01767 .01366 .02398 .01123 .00630 0 0 P .96900 .59804 .25 .00975 .00853 .01141 .00918 .00489 0 0 O1 .15326 .66591 .25 .01538 .0094 .0215 .0149 .0075 0 0 O2 .87623 .41101 .25 .0192 .0151 .0120 .0272 .0043 0 0 O3 .9070 .6425 .0629 .66 .0169 .0112 .0248 .0135 .0082 -.0013 .0053 O3' .9293 .6745 .0823 .34 .0169 .0112 .0248 .0135 .0082 -.0013 .0053 Cl 0 0 0 .081 .025 ClB 0 0 .0865 .131 .0139 F 0 0 .25 .406 .0150 FB 0 0 .1678 .180 .0060