data_global _chemical_name_mineral 'Katophorite' 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: A8 - D167 N.1 ; _database_code_amcsd 0005493 _chemical_formula_sum 'Si7.16 Al1.84 Mg2.34 Fe1.82 Ti.02 Ca1.26 Na1.446 K.036 H1.64 O23.64 F.36' _cell_length_a 9.775 _cell_length_b 17.928 _cell_length_c 5.313 _cell_angle_alpha 90 _cell_angle_beta 104.69 _cell_angle_gamma 90 _cell_volume 900.648 _exptl_crystal_density_diffrn 3.253 _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 0.28100 0.08650 0.30070 0.79000 0.00608 AlT1 0.28100 0.08650 0.30070 0.21000 0.00608 SiT2 0.29230 0.17360 0.81340 1.00000 0.00659 MgM1 0.00000 0.09030 0.50000 0.68000 0.00773 FeM1 0.00000 0.09030 0.50000 0.32000 0.00773 AlM2 0.00000 0.17820 0.00000 0.50000 0.00709 TiM2 0.00000 0.17820 0.00000 0.01000 0.00709 FeM2 0.00000 0.17820 0.00000 0.26000 0.00709 MgM2 0.00000 0.17820 0.00000 0.23000 0.00709 MgM3 0.00000 0.00000 0.00000 0.52000 0.00659 FeM3 0.00000 0.00000 0.00000 0.48000 0.00659 FeM4 0.00000 0.27930 0.50000 0.05000 0.01115 CaM4 0.00000 0.27930 0.50000 0.32000 0.01115 NaM4 0.00000 0.27930 0.50000 0.14000 0.01115 FeM4* 0.00000 0.25350 0.50000 0.04000 0.01305 CaM4* 0.00000 0.25350 0.50000 0.31000 0.01305 NaM4* 0.00000 0.25350 0.50000 0.14000 0.01305 NaAm 0.04440 0.50000 0.09780 0.17900 0.03926 KAm 0.04440 0.50000 0.09780 0.00700 0.03926 NaA2 0.00000 0.47420 0.00000 0.26400 0.04306 KA2 0.00000 0.47420 0.00000 0.01100 0.04306 H 0.17920 0.00000 0.74480 0.82000 0.01077 O1 0.10550 0.09140 0.21110 1.00000 0.01089 O2 0.12010 0.17430 0.74130 1.00000 0.00988 O-h3 0.10950 0.00000 0.71020 0.82000 0.01102 F3 0.10950 0.00000 0.71020 0.18000 0.01102 O4 0.36920 0.25140 0.79330 1.00000 0.01241 O5 0.35280 0.13910 0.10640 1.00000 0.01279 O6 0.34280 0.11790 0.60540 1.00000 0.01343 O7 0.33860 0.00000 0.27860 1.00000 0.01596