data_global _chemical_name_mineral 'Phlogopite' loop_ _publ_author_name 'Matarrese S' 'Schingaro E' 'Scordari F' 'Stoppa F' 'Rosatelli G' 'Pedrazzi G' 'Ottolini L' _journal_name_full 'American Mineralogist' _journal_volume 93 _journal_year 2008 _journal_page_first 426 _journal_page_last 437 _publ_section_title ; Crystal chemistry of phlogopite from Vulture-S. Michele Subsynthem volcanic rocks (Mt. Vulture, Italy) and volcanological implications Mt. Vulture, Italy Sample: VUT191_10 ; _database_code_amcsd 0004527 _chemical_compound_source 'Masseria Saraceno pyroclastic flow, Vulture-San Michele Subsynthem,' _chemical_formula_sum 'K Mg1.944 Fe1.054 Si3.97 O12 H1.573' _cell_length_a 5.3380 _cell_length_b 9.2430 _cell_length_c 10.1923 _cell_angle_alpha 90 _cell_angle_beta 100.0223 _cell_angle_gamma 90 _cell_volume 495.205 _exptl_crystal_density_diffrn 3.020 _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 K 0.00000 0.00000 0.00000 1.00000 0.02920 Mg2+M1 0.00000 0.50000 0.50000 0.65930 0.01150 Fe2+M1 0.00000 0.50000 0.50000 0.34070 0.01150 Mg2+M2 0.00000 0.83813 0.50000 0.64240 0.01240 Fe2+M2 0.00000 0.83813 0.50000 0.35690 0.01240 Si4+T 0.57472 0.16706 0.22445 0.29120 0.01010 SiT 0.57472 0.16706 0.22445 0.70130 0.01010 O1 0.82830 0.22651 0.16700 1.00000 0.01870 O2 0.50890 0.00000 0.16820 1.00000 0.01890 O3 0.63070 0.16822 0.39132 1.00000 0.01180 O4 0.13260 0.00000 0.39960 1.00000 0.01230 H 0.10800 0.00000 0.31300 0.78670 0.01230 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 0.02720 0.02770 0.03310 0.00000 0.00610 0.00000 Mg2+M1 0.01160 0.00720 0.01630 0.00000 0.00430 0.00000 Fe2+M1 0.01160 0.00720 0.01630 0.00000 0.00430 0.00000 Mg2+M2 0.00930 0.01350 0.01420 0.00000 0.00149 0.00000 Fe2+M2 0.00930 0.01350 0.01420 0.00000 0.00149 0.00000 Si4+T 0.00869 0.00913 0.01244 0.00000 0.00202 -0.00030 SiT 0.00869 0.00913 0.01244 0.00000 0.00202 -0.00030 O1 0.01660 0.02310 0.01700 -0.00570 0.00440 -0.00280 O2 0.02390 0.01450 0.01690 0.00000 -0.00080 0.00000 O3 0.01140 0.01090 0.01340 0.00030 0.00230 0.00000 O4 0.01120 0.01310 0.01250 0.00000 0.00180 0.00000 H 0.01120 0.01310 0.01250 0.00000 0.00180 0.00000