data_global _chemical_name_mineral 'Fluor-tsilaisite' loop_ _publ_author_name 'Ertl A' 'Kolitsch U' 'Dyar M D' 'Hughes J M' 'Rossman G R' 'Pieczka A' 'Henry D J' 'Pezzotta F' 'Prowatke S' 'Lengauer C L' 'Korner W' 'Brandstatter F' 'Francis C A' 'Prem M' 'Tillmanns E' _journal_name_full 'American Mineralogist' _journal_volume 97 _journal_year 2012 _journal_page_first 1402 _journal_page_last 1416 _publ_section_title ; Limitations of Fe2+ and Mn2+ site occupancy in tourmaline: Evidence from Fe2+ - and Mn2+ -rich tourmaline Note: sample mnelb3h, heated in air at 750 C for 30 h ; _database_code_amcsd 0019254 _chemical_compound_source 'Elba, Italy' _chemical_formula_sum 'Na.674 (Al7.728 Mn1.272) Si6 B3 F.14 O30.86 H6' _cell_length_a 15.852 _cell_length_b 15.852 _cell_length_c 7.1480 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 1555.547 _exptl_crystal_density_diffrn 3.194 _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 0.77500 0.67400 0.02370 AlY 0.87639 0.93819 0.36624 0.70600 0.00820 MnY 0.87639 0.93819 0.36624 0.29400 0.00820 AlZ 0.70324 0.74109 0.39232 0.93500 0.00685 MnZ 0.70324 0.74109 0.39232 0.06500 0.00685 SiT 0.80860 0.81006 0.99750 1.00000 0.00519 B 0.89009 0.78019 0.54634 1.00000 0.00656 F1 0.00000 0.00000 0.23630 0.14000 0.01500 O1 0.00000 0.00000 0.23630 0.86000 0.01500 O2 0.93913 0.87826 0.51095 1.00000 0.01150 O3 0.74050 0.87025 0.48491 1.00000 0.01167 O4 0.90523 0.81046 0.92215 1.00000 0.00977 O5 0.81440 0.90720 0.90727 1.00000 0.01069 O6 0.80696 0.81508 0.22339 1.00000 0.00814 O7 0.71347 0.71388 0.92205 1.00000 0.00740 O8 0.79026 0.72920 0.56059 1.00000 0.00797 H3 0.75100 0.87570 0.62200 1.00000 0.08500 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 NaX 0.02560 0.02560 0.02000 0.01280 0.00000 0.00000 AlY 0.01002 0.00635 0.00944 0.00501 -0.00381 -0.00190 MnY 0.01002 0.00635 0.00944 0.00501 -0.00381 -0.00190 AlZ 0.00522 0.00904 0.00591 0.00328 0.00004 0.00164 MnZ 0.00522 0.00904 0.00591 0.00328 0.00004 0.00164 SiT 0.00499 0.00479 0.00579 0.00245 -0.00049 -0.00053 B 0.00580 0.00590 0.00790 0.00297 -0.00006 -0.00010 F1 0.01560 0.01560 0.01380 0.00780 0.00000 0.00000 O1 0.01560 0.01560 0.01380 0.00780 0.00000 0.00000 O2 0.01370 0.00590 0.01240 0.00294 0.00018 0.00040 O3 0.01920 0.00990 0.00900 0.00958 -0.00060 -0.00029 O4 0.00700 0.01450 0.01030 0.00724 -0.00063 -0.00130 O5 0.01710 0.00800 0.01010 0.00855 0.00230 0.00113 O6 0.00810 0.00900 0.00590 0.00321 -0.00034 -0.00006 O7 0.00660 0.00660 0.00710 0.00178 -0.00071 -0.00129 O8 0.00520 0.00910 0.00960 0.00357 0.00068 0.00274