data_global _chemical_name_mineral 'Foitite' loop_ _publ_author_name 'Francis C A' 'Dyar M D' 'Williams M L' 'Hughes J M' _journal_name_full 'The Canadian Mineralogist' _journal_volume 37 _journal_year 1999 _journal_page_first 1431 _journal_page_last 1438 _publ_section_title ; The occurrence and crystal structure of foitite from a tungsten-bearing vein at Copper Mountain, Taos County, New Mexico Note: y-coordinate of H3 changed to x/2 ; _database_code_amcsd 0005633 _chemical_compound_source 'Copper Mountain, Taos County, New Mexico' _chemical_formula_sum 'Na.414 Ca.002 K.002 (Fe1.71 Al6.99 Mg.3) Si6 B2.88 O30.89 F.11 H3.54' _cell_length_a 15.973 _cell_length_b 15.973 _cell_length_c 7.137 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 1576.955 _exptl_crystal_density_diffrn 3.161 _symmetry_space_group_name_H-M 'R 3 m' loop_ _space_group_symop_operation_xyz 'x,y,z' '2/3+x,1/3+y,1/3+z' '1/3+x,2/3+y,2/3+z' 'x,x-y,z' '2/3+x,1/3+x-y,1/3+z' '1/3+x,2/3+x-y,2/3+z' '-y,-x,z' '2/3-y,1/3-x,1/3+z' '1/3-y,2/3-x,2/3+z' '-x+y,y,z' '2/3-x+y,1/3+y,1/3+z' '1/3-x+y,2/3+y,2/3+z' '-y,x-y,z' '2/3-y,1/3+x-y,1/3+z' '1/3-y,2/3+x-y,2/3+z' '-x+y,-x,z' '2/3-x+y,1/3-x,1/3+z' '1/3-x+y,2/3-x,2/3+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 NaX 0.00000 0.00000 0.25000 0.41400 0.02850 CaX 0.00000 0.00000 0.25000 0.00200 0.02850 KX 0.00000 0.00000 0.25000 0.00200 0.02850 FeY 0.27106 0.54212 0.31604 0.55000 0.00845 AlY 0.27106 0.54212 0.31604 0.41000 0.00845 MgY 0.27106 0.54212 0.31604 0.04000 0.00845 AlZ 0.29835 0.26163 0.63370 0.96000 0.00664 FeZ 0.29835 0.26163 0.63370 0.01000 0.00664 MgZ 0.29835 0.26163 0.63370 0.03000 0.00664 SiT 0.19193 0.18989 0.02340 1.00000 0.00616 B 0.11030 0.22060 0.47780 0.96000 0.00988 O1 0.00000 0.00000 0.80370 0.35000 0.03255 O-H1 0.00000 0.00000 0.80370 0.54000 0.03255 F1 0.00000 0.00000 0.80370 0.11000 0.03255 O2 0.06205 0.12410 0.51160 1.00000 0.01621 O3 0.26760 0.13380 0.53180 1.00000 0.01305 H3 0.27200 0.13600 0.40800 1.00000 0.01798 O4 0.09349 0.18698 0.09060 1.00000 0.01115 O5 0.18830 0.09415 0.11430 1.00000 0.01064 O6 0.19808 0.18743 0.79840 1.00000 0.00988 O7 0.28509 0.28589 0.10230 1.00000 0.00912 O8 0.21005 0.27082 0.46350 1.00000 0.01026