data_global _chemical_name_mineral 'Phlogopite' loop_ _publ_author_name 'Scordari F' 'Schingaro E' 'Lacalamita M' 'Mesto E' _journal_name_full 'American Mineralogist' _journal_volume 97 _journal_year 2012 _journal_page_first 430 _journal_page_last 439 _publ_section_title ; Crystal chemistry of trioctahedral micas-2M_1 from Bunyaruguru kamafugite (southwest Uganda) Note: BU3_12 ; _database_code_amcsd 0020824 _chemical_compound_source 'southwest Uganda' _chemical_formula_sum 'K.91 Na.04 Ba.01 Ca.01 Mg2 Fe.55 Ti.38 Al1.1 Si2.96 O11.98' _cell_length_a 5.3307 _cell_length_b 9.2315 _cell_length_c 20.1550 _cell_angle_alpha 90 _cell_angle_beta 95.095 _cell_angle_gamma 90 _cell_volume 987.916 _exptl_crystal_density_diffrn 2.960 _symmetry_space_group_name_H-M 'C 1 2/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '-x,y,1/2-z' '1/2-x,1/2+y,1/2-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 K 0.00000 0.08400 0.25000 0.91000 Na 0.00000 0.08400 0.25000 0.04000 Ba 0.00000 0.08400 0.25000 0.01000 Ca 0.00000 0.08400 0.25000 0.01000 Mg1 0.75000 0.25000 0.00000 0.72880 Fe1 0.75000 0.25000 0.00000 0.27140 Mg2 0.24036 0.08007 -0.00003 0.63560 Fe2 0.24036 0.08007 -0.00003 0.09430 Ti2 0.24036 0.08007 -0.00003 0.19000 Al2 0.24036 0.08007 -0.00003 0.07500 Si1 0.46200 0.25017 0.13724 1.00000 Si2 0.96326 0.41742 0.13725 0.48000 Al3 0.96326 0.41742 0.13725 0.47500 Fe3 0.96326 0.41742 0.13725 0.04500 O11 0.73950 0.31640 0.16557 1.00000 O21 0.23910 0.35030 0.16642 1.00000 O22 0.43840 0.08380 0.16630 1.00000 O31 0.43210 0.24080 0.05452 1.00000 O32 0.93690 0.40890 0.05457 1.00000 O4 0.93430 0.07330 0.05103 0.99000 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 K 0.03370 0.03280 0.04200 0.00000 0.00320 0.00000 Na 0.03370 0.03280 0.04200 0.00000 0.00320 0.00000 Ba 0.03370 0.03280 0.04200 0.00000 0.00320 0.00000 Ca 0.03370 0.03280 0.04200 0.00000 0.00320 0.00000 Mg1 0.00940 0.00950 0.01710 0.00110 0.00220 0.00300 Fe1 0.00940 0.00950 0.01710 0.00110 0.00220 0.00300 Mg2 0.01570 0.01070 0.01470 0.00260 0.00100 0.00770 Fe2 0.01570 0.01070 0.01470 0.00260 0.00100 0.00770 Ti2 0.01570 0.01070 0.01470 0.00260 0.00100 0.00770 Al2 0.01570 0.01070 0.01470 0.00260 0.00100 0.00770 Si1 0.00840 0.00830 0.01420 0.00060 0.00130 0.00160 Si2 0.01020 0.00960 0.01360 0.00080 0.00120 0.00280 Al3 0.01020 0.00960 0.01360 0.00080 0.00120 0.00280 Fe3 0.01020 0.00960 0.01360 0.00080 0.00120 0.00280 O11 0.01790 0.02310 0.01740 0.00200 0.00110 -0.00720 O21 0.01720 0.02400 0.01840 -0.00190 -0.00040 0.00600 O22 0.02780 0.01330 0.01800 -0.00010 0.00440 0.00130 O31 0.01060 0.00280 0.01380 0.00170 0.00150 -0.00040 O32 0.01030 0.00510 0.01400 0.00100 0.00160 0.00190 O4 0.01480 0.00230 0.01340 -0.00210 0.00070 0.00130