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: HNF5CL5-10 Locality: Synthetic _database_code_amcsd 0020116 9.5084 9.5084 6.82930 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 .99782 .01217 .01451 .01451 .00750 .00725 0 0 Ca2 .00349 .25495 .25 .01644 .01235 .02266 .01014 .00563 0 0 P .96902 .59804 .25 .00849 .00719 .01007 .00810 .00424 0 0 O1 .15333 .66592 .25 .01409 .0077 .0201 .0141 .0067 0 0 O2 .87619 .41100 .25 .0180 .0140 .0105 .0262 .0037 0 0 O3 .9079 .6441 .0629 .70 .0163 .0108 .0268 .0111 .0093 -.0017 .0054 O3' .9300 .6746 .0852 .30 .0163 .0108 .0268 .0111 .0093 -.0017 .0054 Cl 0 0 0 .076 .019 ClB 0 0 .0854 .128 .0123 F 0 0 .25 .397 .0127 FB 0 0 .1671 .183 .0054