data_global _chemical_name_mineral 'Ferri-leakeite' loop_ _publ_author_name 'Hawthorne F C' 'Ungaretti L' 'Oberti R' 'Cannillo E' _journal_name_full 'American Mineralogist' _journal_volume 79 _journal_year 1994 _journal_page_first 443 _journal_page_last 451 _publ_section_title ; The mechanism of Li incorporation in amphiboles Sample: A2 ; _database_code_amcsd 0001656 _chemical_compound_source 'Kajlidongri, Madhya Pradesh, India' _chemical_formula_sum 'Si7.92 Al.26 Mg2.24 Fe1.42 Mn.42 Li.74 Na2.71 Ca.04 K.2 H1.28 O23.5 F.48' _cell_length_a 9.790 _cell_length_b 17.848 _cell_length_c 5.287 _cell_angle_alpha 90 _cell_angle_beta 104.10 _cell_angle_gamma 90 _cell_volume 895.975 _exptl_crystal_density_diffrn 3.149 _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 Si1 0.27850 0.08620 0.29340 0.99000 0.00545 Al1 0.27850 0.08620 0.29340 0.01000 0.00545 Si2 0.28890 0.17120 0.80230 0.99000 0.00545 Al2 0.28890 0.17120 0.80230 0.01000 0.00545 Mg1 0.00000 0.08650 0.50000 0.83000 0.00684 Al1 0.00000 0.08650 0.50000 0.04000 0.00684 Fe1 0.00000 0.08650 0.50000 0.10000 0.00684 Mn1 0.00000 0.08650 0.50000 0.03000 0.00684 Mg2 0.00000 0.17960 0.00000 0.16000 0.00608 Al2 0.00000 0.17960 0.00000 0.05000 0.00608 Fe2 0.00000 0.17960 0.00000 0.61000 0.00608 Mn2 0.00000 0.17960 0.00000 0.18000 0.00608 Li3 0.00000 0.00000 0.00000 0.74000 0.01001 Mg3 0.00000 0.00000 0.00000 0.26000 0.01001 Na4 0.00000 0.27640 0.50000 0.98000 0.01444 Ca4 0.00000 0.27640 0.50000 0.02000 0.01444 NaA 0.00000 0.50000 0.00000 0.15000 0.03812 KA 0.00000 0.50000 0.00000 0.04000 0.03812 NaAm 0.04800 0.50000 0.10280 0.15000 0.02888 KAm 0.04800 0.50000 0.10280 0.04000 0.02888 NaA2 0.00000 0.47440 0.00000 0.15000 0.06168 KA2 0.00000 0.47440 0.00000 0.04000 0.06168 H 0.18260 0.00000 0.73350 0.64000 0.03230 O1 0.11020 0.09050 0.21460 1.00000 0.00823 O2 0.11860 0.16940 0.73150 1.00000 0.00836 O3 0.11150 0.00000 0.70020 0.11000 0.01216 O-h3 0.11150 0.00000 0.70020 0.64000 0.01216 F3 0.11150 0.00000 0.70020 0.24000 0.01216 O4 0.36320 0.25040 0.80180 1.00000 0.01026 O5 0.34970 0.12850 0.08510 1.00000 0.00975 O6 0.34350 0.11920 0.58450 1.00000 0.00925 O7 0.33480 0.00000 0.29630 1.00000 0.01178