data_global _chemical_name_mineral 'Fluoborite' loop_ _publ_author_name 'Camara F' 'Ottolini L' _journal_name_full 'American Mineralogist' _journal_volume 85 _journal_year 2000 _journal_page_first 103 _journal_page_last 107 _publ_section_title ; New data on the crystal-chemistry of fluoborite by means of SREF, SIMS and EMP analysis Sample: Fbor HV-43 n.3 ; _database_code_amcsd 0002342 _chemical_formula_sum 'B Mg3 H3 O3 F3' _cell_length_a 8.8602 _cell_length_b 8.8602 _cell_length_c 3.1021 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 210.898 _exptl_crystal_density_diffrn 3.019 _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_U_iso_or_equiv B 0.66667 0.33333 0.75000 ? Mg 0.36902 0.03119 0.25000 ? H 0.16700 0.11100 0.25000 0.05497 O 0.55233 0.15487 0.75000 ? F 0.29646 0.20828 0.25000 ? 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 B 0.00462 0.00462 0.00453 0.00230 0.00000 0.00000 Mg 0.00719 0.00629 0.00607 0.00364 0.00000 0.00000 O 0.00611 0.00480 0.00720 0.00206 0.00000 0.00000 F 0.01655 0.01005 0.00771 0.00916 0.00000 0.00000