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_1 ; _database_code_amcsd 0004525 _chemical_compound_source 'Masseria Saraceno pyroclastic flow, Vulture-San Michele Subsynthem,' _chemical_formula_sum 'K (Mg2.511 Fe.489) Si3.961 O12 H1.521' _cell_length_a 5.3252 _cell_length_b 9.2205 _cell_length_c 10.2458 _cell_angle_alpha 90 _cell_angle_beta 99.9938 _cell_angle_gamma 90 _cell_volume 495.446 _exptl_crystal_density_diffrn 2.897 _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 0.03420 Mg2+M1 0.00000 0.50000 0.50000 0.84680 0.01230 Fe2+M1 0.00000 0.50000 0.50000 0.15320 0.01230 Mg2+M2 0.00000 0.83464 0.50000 0.83190 0.01380 Fe2+M2 0.00000 0.83464 0.50000 0.16810 0.01380 Si4+T 0.57542 0.16675 0.22673 0.41370 0.01360 SiT 0.57542 0.16675 0.22673 0.57650 0.01360 O1 0.83100 0.22550 0.16940 1.00000 0.02190 O2 0.50670 0.00000 0.17020 1.00000 0.02160 O3 0.63060 0.16730 0.39080 1.00000 0.01460 O4 0.13210 0.00000 0.39920 1.00000 0.01480 H 0.10600 0.00000 0.32100 0.76070 0.01480 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 0.03280 0.03340 0.03630 0.00000 0.00600 0.00000 Mg2+M1 0.00980 0.00770 0.02030 0.00000 0.00520 0.00000 Fe2+M1 0.00980 0.00770 0.02030 0.00000 0.00520 0.00000 Mg2+M2 0.00910 0.01270 0.01960 0.00000 0.00290 0.00000 Fe2+M2 0.00910 0.01270 0.01960 0.00000 0.00290 0.00000 Si4+T 0.01140 0.01030 0.01930 0.00000 0.00320 0.00030 SiT 0.01140 0.01030 0.01930 0.00000 0.00320 0.00030 O1 0.01890 0.02280 0.02450 -0.00390 0.00510 -0.00320 O2 0.02300 0.01600 0.02500 0.00000 0.00110 0.00000 O3 0.01120 0.01310 0.01950 -0.00030 0.00270 -0.00040 O4 0.01500 0.01400 0.01600 0.00000 0.00330 0.00000 H 0.01500 0.01400 0.01600 0.00000 0.00330 0.00000