data_global _chemical_name_mineral 'Fluor-liddicoatite' loop_ _publ_author_name 'Ertl A' 'Hughes J M' 'Prowatke S' 'Ludwig T' 'Prasad P S R' 'Brandstatter F' 'Korner W' 'Schuster R' 'Pertlik F' 'Marschall H' _journal_name_full 'American Mineralogist' _journal_volume 91 _journal_year 2006 _journal_page_first 1847 _journal_page_last 1856 _publ_section_title ; Tetrahedrally-coordinated boron in tourmalines from the liddicoatite-elbaite series from Madagascar: Structure, chemistry, and infrared spectroscopic studies Sample: LID6A1 ; _database_code_amcsd 0004247 _chemical_compound_source 'Anjanabonoina, Madagascar' _chemical_formula_sum 'Ca.5 Na.34 Al7.56 Li1.14 Fe.06 Mn.03 Si5.76 B3.24 F.56 O30.44 H3.441' _cell_length_a 15.8204 _cell_length_b 15.8204 _cell_length_c 7.0955 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 1537.972 _exptl_crystal_density_diffrn 3.053 _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 CaX 0.00000 0.00000 0.25000 0.50000 0.00930 NaX 0.00000 0.00000 0.25000 0.34000 0.00930 AlY 0.12266 0.06133 -0.34700 0.52000 0.01040 LiY 0.12266 0.06133 -0.34700 0.38000 0.01040 Fe2+Y 0.12266 0.06133 -0.34700 0.02000 0.01040 Mn2+Y 0.12266 0.06133 -0.34700 0.01000 0.01040 AlZ 0.29675 0.25979 -0.37409 1.00000 0.00827 SiT 0.19196 0.19000 0.01538 0.96000 0.00611 BT 0.19196 0.19000 0.01538 0.04000 0.00611 B 0.10895 0.21790 0.46980 1.00000 0.00820 F1W 0.00000 0.00000 -0.20090 0.56000 0.03250 O1W 0.00000 0.00000 -0.20090 0.44000 0.03250 O2 0.05996 0.11992 0.49910 1.00000 0.01880 O3V 0.26689 0.13344 -0.47590 1.00000 0.01380 O4 0.09279 0.18558 0.09000 1.00000 0.01120 O5 0.18494 0.09247 0.11150 1.00000 0.01170 O6 0.19538 0.18539 -0.20930 1.00000 0.00974 O7 0.28627 0.28561 0.09517 1.00000 0.00873 O8 0.20955 0.27011 0.45548 1.00000 0.00982 H1W 0.05380 0.02690 -0.14500 0.14700 ? H3V 0.26300 0.13150 0.41300 1.00000 0.04900