data_global _chemical_name_mineral 'Potassic-ferro-ferri-sadanagaite' loop_ _publ_author_name 'Sokolova E V' 'Hawthorne F C' 'Kabalov Y K' 'Schneider J' 'McCammon C A' _journal_name_full 'The Canadian Mineralogist' _journal_volume 38 _journal_year 2000 _journal_page_first 669 _journal_page_last 674 _publ_section_title ; The crystal chemistry of potassic-ferrisadanagaite ; _database_code_amcsd 0005653 _chemical_compound_source 'contact zone of the Ilmen alkaline massif, Ilmen Mountains, southern Urals, Russia' _chemical_formula_sum 'K.66 Na.55 Ca1.73 Mn.25 Fe3.22 Ti.19 Mg.6 Al2.14 Si6.64 O24' _cell_length_a 9.9309 _cell_length_b 18.0949 _cell_length_c 5.3681 _cell_angle_alpha 90 _cell_angle_beta 105.19 _cell_angle_gamma 90 _cell_volume 930.938 _exptl_crystal_density_diffrn 3.401 _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 KA 0.00000 0.50000 0.00000 0.66000 0.06966 NaA 0.00000 0.50000 0.00000 0.32000 0.06966 Ca4 0.00000 0.28300 0.50000 0.86500 0.00127 Mn4 0.00000 0.28300 0.50000 0.02000 0.00127 Na4 0.00000 0.28300 0.50000 0.11500 0.00127 Fe1 0.00000 0.09100 0.50000 0.65000 0.00127 Ti1 0.00000 0.09100 0.50000 0.09500 0.00127 Fe2 0.00000 0.18000 0.00000 0.61000 0.00253 Mg1 0.00000 0.09100 0.50000 0.25500 0.00127 Al2 0.00000 0.18000 0.00000 0.39000 0.00253 Fe3 0.00000 0.00000 0.00000 0.70000 0.00253 Mn3 0.00000 0.00000 0.00000 0.21000 0.00253 Mg3 0.00000 0.00000 0.00000 0.09000 0.00253 Si1 0.28130 0.08700 0.31170 0.73000 0.01013 Al1 0.28130 0.08700 0.31170 0.27000 0.01013 Si2 0.28970 0.17400 0.81440 0.93000 0.00887 Al2 0.28970 0.17400 0.81440 0.07000 0.00887 O1 0.10350 0.09300 0.21080 1.00000 0.00253 O2 0.11840 0.17600 0.73800 1.00000 0.00887 O3 0.10340 0.00000 0.70380 1.00000 0.01140 O4 0.37080 0.25000 0.79390 1.00000 0.00127 O5 0.35000 0.14000 0.11610 1.00000 0.01393 O6 0.34140 0.11800 0.61090 1.00000 0.00507 O7 0.34040 0.00000 0.29400 1.00000 0.00760