data_global _chemical_name_mineral 'Fluorotaramite' loop_ _publ_author_name 'Hawthorne F C' 'Oberti R' 'Sardone N' _journal_name_full 'The Canadian Mineralogist' _journal_volume 34 _journal_year 1996 _journal_page_first 577 _journal_page_last 593 _publ_section_title ; Sodium at the A site in clinoamphiboles: the effects of composition on patterns of order Sample: A4 - DJ102 N.12 ; _database_code_amcsd 0005489 _chemical_formula_sum 'Si7.28 Al1.58 Mg2.43 Fe1.69 Ti.02 Ca.8 Na2.106 K.004 H.98 O22.98 F1.02' _cell_length_a 9.722 _cell_length_b 17.862 _cell_length_c 5.319 _cell_angle_alpha 90 _cell_angle_beta 104.33 _cell_angle_gamma 90 _cell_volume 894.929 _exptl_crystal_density_diffrn 3.229 _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 0.28260 0.08660 0.29830 0.82000 0.00633 AlT1 0.28260 0.08660 0.29830 0.18000 0.00633 SiT2 0.29190 0.17320 0.81080 1.00000 0.00659 MgM1 0.00000 0.09060 0.50000 0.76000 0.00747 FeM1 0.00000 0.09060 0.50000 0.24000 0.00747 AlM2 0.00000 0.17920 0.00000 0.43000 0.00773 TiM2 0.00000 0.17920 0.00000 0.01000 0.00773 FeM2 0.00000 0.17920 0.00000 0.43000 0.00773 MgM2 0.00000 0.17920 0.00000 0.13000 0.00773 MgM3 0.00000 0.00000 0.00000 0.65000 0.00760 FeM3 0.00000 0.00000 0.00000 0.35000 0.00760 CaM4 0.00000 0.27890 0.50000 0.40000 0.01267 NaM4 0.00000 0.27890 0.50000 0.60000 0.01267 NaAm 0.05210 0.50000 0.11440 0.26100 0.03812 KAm 0.05210 0.50000 0.11440 0.00100 0.03812 NaA2 0.00000 0.47970 0.00000 0.19200 0.05446 KA2 0.00000 0.47970 0.00000 0.00100 0.05446 H 0.19320 0.00000 0.76150 0.49000 0.02850 O1 0.10690 0.09020 0.21070 1.00000 0.01013 O2 0.11900 0.17240 0.74090 1.00000 0.00925 O-h3 0.10850 0.00000 0.70830 0.49000 0.01191 F3 0.10850 0.00000 0.70830 0.51000 0.01191 O4 0.36660 0.25220 0.79670 1.00000 0.01127 O5 0.35380 0.13630 0.09770 1.00000 0.01406 O6 0.34300 0.11940 0.59780 1.00000 0.01203 O7 0.34080 0.00000 0.28620 1.00000 0.01431