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_2 ; _database_code_amcsd 0004526 _chemical_compound_source 'Masseria Saraceno pyroclastic flow, Vulture-San Michele Subsynthem,' _chemical_formula_sum 'K (Mg2.47 Fe.53) Si3.985 O12 H1.802' _cell_length_a 5.3254 _cell_length_b 9.2216 _cell_length_c 10.2411 _cell_angle_alpha 90 _cell_angle_beta 100.0223 _cell_angle_gamma 90 _cell_volume 495.253 _exptl_crystal_density_diffrn 2.913 _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 0.03940 Mg2+M1 0.00000 0.50000 0.50000 0.84780 0.01730 Fe2+M1 0.00000 0.50000 0.50000 0.15210 0.01730 Mg2+M2 0.00000 0.83600 0.50000 0.81090 0.01940 Fe2+M2 0.00000 0.83600 0.50000 0.18910 0.01940 Si4+T 0.57527 0.16678 0.22626 0.44830 0.01800 SiT 0.57527 0.16678 0.22626 0.54790 0.01800 O1 0.83150 0.22450 0.16920 1.00000 0.02710 O2 0.50550 0.00000 0.16960 1.00000 0.02690 O3 0.63020 0.16750 0.39130 1.00000 0.01810 O4 0.13370 0.00000 0.40060 1.00000 0.01810 H 0.10300 0.00000 0.32700 0.90090 0.01810 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 0.03750 0.03590 0.04540 0.00000 0.00870 0.00000 Mg2+M1 0.01360 0.01110 0.02860 0.00000 0.00740 0.00000 Fe2+M1 0.01360 0.01110 0.02860 0.00000 0.00740 0.00000 Mg2+M2 0.01350 0.01700 0.02820 0.00000 0.00500 0.00000 Fe2+M2 0.01350 0.01700 0.02820 0.00000 0.00500 0.00000 Si4+T 0.01420 0.01270 0.02790 -0.00020 0.00570 -0.00050 SiT 0.01420 0.01270 0.02790 -0.00020 0.00570 -0.00050 O1 0.02260 0.02870 0.03150 -0.00600 0.00850 -0.00320 O2 0.03100 0.01700 0.03100 0.00000 0.00200 0.00000 O3 0.01350 0.01360 0.02800 0.00020 0.00550 0.00040 O4 0.01600 0.01500 0.02400 0.00000 0.00500 0.00000 H 0.01600 0.01500 0.02400 0.00000 0.00500 0.00000