data_global _chemical_name_mineral 'Ferro-ferri-fluoro-leakeite' loop_ _publ_author_name 'Hawthorne F C' 'Ungaretti L' 'Oberti R' 'Bottazzi P' 'Czamanske G K' _journal_name_full 'American Mineralogist' _journal_volume 78 _journal_year 1993 _journal_page_first 733 _journal_page_last 745 _publ_section_title ; Li: an important component in igneous alkali amphiboles Sample: A(4), ferro-fluor-leakeite ; _database_code_amcsd 0001589 _chemical_compound_source 'Questa caldera, New Mexico' _chemical_formula_sum 'O22.4 (F1.6 Si7.8) Al.2 Mg.64 Fe2.92 Mn.66 Ti.07 Zn.07 Li.64 Na2.652 K.239 H.4' _cell_length_a 9.796 _cell_length_b 17.934 _cell_length_c 5.312 _cell_angle_alpha 90 _cell_angle_beta 103.89 _cell_angle_gamma 90 _cell_volume 905.931 _exptl_crystal_density_diffrn 3.340 _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 O1 0.11070 0.09040 0.20930 1.00000 0.00773 O2 0.11970 0.17140 0.73630 1.00000 0.00773 O-H3 0.11230 0.00000 0.70670 0.20000 0.01305 F 0.11230 0.00000 0.70670 0.80000 0.01305 O4 0.36510 0.24980 0.80120 1.00000 0.00988 O5 0.35050 0.12840 0.08340 1.00000 0.00975 O6 0.34200 0.12020 0.58060 1.00000 0.00950 O7 0.33580 0.00000 0.29870 1.00000 0.01064 SiT1 0.27970 0.08580 0.29200 0.97500 0.00532 AlT1 0.27970 0.08580 0.29200 0.02500 0.00532 SiT2 0.29020 0.17070 0.80250 0.97500 0.00519 AlT2 0.29020 0.17070 0.80250 0.02500 0.00519 MgM1 0.00000 0.08880 0.50000 0.30000 0.00747 Fe2+M1 0.00000 0.08880 0.50000 0.53000 0.00747 MnM1 0.00000 0.08880 0.50000 0.17000 0.00747 Fe2+M2 0.00000 0.18100 0.00000 0.03000 0.00608 Fe3+M2 0.00000 0.18100 0.00000 0.90000 0.00608 TiM2 0.00000 0.18100 0.00000 0.03500 0.00608 ZnM2 0.00000 0.18100 0.00000 0.03500 0.00608 LiM3 0.00000 0.00000 0.00000 0.64000 0.00836 MgM3 0.00000 0.00000 0.00000 0.04000 0.00836 MnM3 0.00000 0.00000 0.00000 0.32000 0.00836 NaM4 0.00000 0.27750 0.50000 1.00000 0.01482 KA 0.00000 0.50000 0.00000 0.06500 0.05940 NaA 0.00000 0.50000 0.00000 0.17800 0.05940 KAm 0.04470 0.50000 0.09630 0.08200 0.04116 NaAm 0.04470 0.50000 0.09630 0.22400 0.04116 KA2 0.00000 0.46610 0.00000 0.00500 0.02609 NaA2 0.00000 0.46610 0.00000 0.01300 0.02609