data_global _chemical_name_mineral 'Fluoro-edenite' loop_ _publ_author_name 'Boschmann K F' 'Burns P C' 'Hawthorne F C' 'Raudsepp M' 'Turnock A C' _journal_name_full 'The Canadian Mineralogist' _journal_volume 32 _journal_year 1994 _journal_page_first 21 _journal_page_last 30 _publ_section_title ; A-site disorder in synthetic fluor-edenite, a crystal-structure study ; _database_code_amcsd 0005344 _chemical_formula_sum 'Si7.24 Mg4.64 Al.36 Ca2 Na.98 O22 F2' _cell_length_a 9.821 _cell_length_b 17.934 _cell_length_c 5.282 _cell_angle_alpha 90 _cell_angle_beta 105.08 _cell_angle_gamma 90 _cell_volume 898.281 _exptl_crystal_density_diffrn 3.026 _symmetry_space_group_name_H-M 'C 1 2/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,z' '1/2+x,1/2-y,z' '-x,y,-z' '1/2-x,1/2+y,-z' '-x,-y,-z' '1/2-x,1/2-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 SiT1 0.28176 0.08479 0.30250 0.81000 ? SiT2 0.29057 0.17251 0.81130 1.00000 ? Mg1 0.00000 0.08902 0.50000 1.00000 ? AlM2 0.00000 0.17547 0.00000 0.18000 ? MgM2 0.00000 0.17547 0.00000 0.82000 ? Mg3 0.00000 0.00000 0.00000 1.00000 ? Ca4 0.00000 0.27854 0.50000 1.00000 ? NaAm 0.04150 0.50000 0.09530 0.24000 0.02000 NaA2 0.00000 0.47650 0.00000 0.25000 0.02000 O1 0.10840 0.08600 0.21820 1.00000 ? O2 0.11910 0.17140 0.73120 1.00000 ? F3 0.10440 0.00000 0.71330 1.00000 ? O4 0.36560 0.25040 0.78840 1.00000 ? O5 0.35110 0.13910 0.11080 1.00000 ? O6 0.34620 0.11640 0.60750 1.00000 ? O7 0.34480 0.00000 0.27840 1.00000 ? 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 SiT1 0.00780 0.00840 0.00800 -0.00030 0.00140 -0.00020 SiT2 0.00660 0.00790 0.00670 -0.00030 0.00140 0.00020 Mg1 0.00750 0.00690 0.00560 0.00000 0.00200 0.00000 AlM2 0.00610 0.00700 0.00620 0.00000 0.00190 0.00000 MgM2 0.00610 0.00700 0.00620 0.00000 0.00190 0.00000 Mg3 0.00680 0.00570 0.00680 0.00000 0.00070 0.00000 Ca4 0.01340 0.01100 0.01200 0.00000 0.00670 0.00000 O1 0.00810 0.01220 0.00890 -0.00130 0.00240 -0.00130 O2 0.00830 0.00900 0.00910 0.00020 0.00120 0.00070 F3 0.01060 0.01100 0.01110 0.00000 0.00400 0.00000 O4 0.01400 0.00940 0.01190 -0.00260 0.00460 -0.00030 O5 0.01110 0.01570 0.01070 -0.00070 0.00130 0.00430 O6 0.01020 0.01580 0.01360 0.00130 0.00280 -0.00520 O7 0.01170 0.01070 0.01740 0.00000 0.00560 0.00000