data_global _chemical_name_mineral 'Fluorapatite' loop_ _publ_author_name 'Hughes J M' 'Nekvasil H' 'Ustunisik G' 'Lindsley D H' 'Coraor A E' 'Vaughn J' 'Phillips B L' 'McCubbin F M' 'Woerner W R' _journal_name_full 'American Mineralogist' _journal_volume 99 _journal_year 2014 _journal_page_first 369 _journal_page_last 376 _publ_section_title ; Solid solution in the fluorapatite-chlorapatite binary system: High-precision crystal structure refinements of synthetic F-Cl apatite. Note: Sample HNF5CL5-8 ; _database_code_amcsd 0020114 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Ca5 P3 O12 Cl.343 F.766' _cell_length_a 9.5101 _cell_length_b 9.5101 _cell_length_c 6.83000 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 534.960 _exptl_crystal_density_diffrn 3.179 _symmetry_space_group_name_H-M 'P 63/m' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x+y,-x,1/2-z' 'x-y,x,1/2+z' 'y,-x+y,-z' '-y,x-y,z' 'x,y,1/2-z' '-x,-y,1/2+z' 'x-y,x,-z' '-x+y,-x,z' '-y,x-y,1/2-z' 'y,-x+y,1/2+z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Ca1 0.66667 0.33333 -0.00218 1.00000 0.01339 Ca2 0.00352 0.25495 0.25000 1.00000 0.01767 P 0.96900 0.59804 0.25000 1.00000 0.00975 O1 0.15326 0.66591 0.25000 1.00000 0.01538 O2 0.87623 0.41101 0.25000 1.00000 0.01920 O3 0.90700 0.64250 0.06290 0.66000 0.01690 O3* 0.92930 0.67450 0.08230 0.34000 0.01690 Cl 0.00000 0.00000 0.00000 0.08100 0.02500 ClB 0.00000 0.00000 0.08650 0.13100 0.01390 F 0.00000 0.00000 0.25000 0.40600 0.01500 FB 0.00000 0.00000 0.16780 0.18000 0.00600 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Ca1 0.01578 0.01578 0.00861 0.00789 0.00000 0.00000 Ca2 0.01366 0.02398 0.01123 0.00630 0.00000 0.00000 P 0.00853 0.01141 0.00918 0.00489 0.00000 0.00000 O1 0.00940 0.02150 0.01490 0.00750 0.00000 0.00000 O2 0.01510 0.01200 0.02720 0.00430 0.00000 0.00000 O3 0.01120 0.02480 0.01350 0.00820 -0.00130 0.00530 O3' 0.01120 0.02480 0.01350 0.00820 -0.00130 0.00530