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: A1 ; _database_code_amcsd 0001655 _chemical_compound_source 'Kajlidongri, Madhya Pradesh, India' _chemical_formula_sum 'Si8 Mg2.3 Al.14 Ti.41 Fe.96 Mn.52 Li.67 Na2.7 Ca.1 K.15 H.97 O23.79 F.21' _cell_length_a 9.748 _cell_length_b 17.842 _cell_length_c 5.287 _cell_angle_alpha 90 _cell_angle_beta 104.12 _cell_angle_gamma 90 _cell_volume 891.753 _exptl_crystal_density_diffrn 3.159 _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 0.28110 0.08570 0.29290 1.00000 0.00519 Si2 0.28890 0.17100 0.79980 1.00000 0.00532 Mg1 0.00000 0.08230 0.50000 0.57000 0.00912 Al1 0.00000 0.08230 0.50000 0.02500 0.00912 Ti1 0.00000 0.08230 0.50000 0.20500 0.00912 Fe1 0.00000 0.08230 0.50000 0.13000 0.00912 Mn1 0.00000 0.08230 0.50000 0.07000 0.00912 Mg2 0.00000 0.17960 0.00000 0.41500 0.00608 Al2 0.00000 0.17960 0.00000 0.04500 0.00608 Fe2 0.00000 0.17960 0.00000 0.35000 0.00608 Mn2 0.00000 0.17960 0.00000 0.19000 0.00608 Li3 0.00000 0.00000 0.00000 0.67000 0.00874 Mg3 0.00000 0.00000 0.00000 0.33000 0.00874 Na4 0.00000 0.27510 0.50000 0.95000 0.01482 Ca4 0.00000 0.27510 0.50000 0.05000 0.01482 NaA 0.00000 0.50000 0.00000 0.16000 0.08232 KA 0.00000 0.50000 0.00000 0.03000 0.08232 NaAm 0.05080 0.50000 0.10910 0.16000 0.03635 KAm 0.05080 0.50000 0.10910 0.03000 0.03635 NaA2 0.00000 0.46800 0.00000 0.16000 0.05927 KA2 0.00000 0.46800 0.00000 0.03000 0.05927 H 0.18670 0.00000 0.75770 0.48500 0.03356 O1 0.11150 0.08860 0.21590 1.00000 0.00798 O2 0.11780 0.16680 0.72700 1.00000 0.00760 O3 0.11040 0.00000 0.69650 0.41000 0.00963 O-h3 0.11040 0.00000 0.69650 0.48500 0.00963 F3 0.11040 0.00000 0.69650 0.10500 0.00963 O4 0.36050 0.25080 0.80180 1.00000 0.01013 O5 0.35000 0.12800 0.08160 1.00000 0.00937 O6 0.34560 0.11980 0.58230 1.00000 0.00925 O7 0.33940 0.00000 0.29790 1.00000 0.01064