data_global _chemical_name_mineral 'Phlogopite' loop_ _publ_author_name 'Laurora A' 'Brigatti M F' 'Mottana A' 'Malferrari D' 'Caprilli E' _journal_name_full 'American Mineralogist' _journal_volume 92 _journal_year 2007 _journal_page_first 468 _journal_page_last 480 _publ_section_title ; Crystal chemistry of trioctahedral micas in alkaline and subalkaline volcanic rocks: A case study from Mt. Sassetto (Tolfa district, Latium, central Italy) Sample: MS2 Note: 1M polytype ; _database_code_amcsd 0004292 _chemical_compound_source 'Mt. Sassetto, Tolfa district, Latium, Italy' _chemical_formula_sum 'K.87 Na.06 (Mg1.5 Fe1.11 Ti.39) (Al1.08 Si2.92) O12' _cell_length_a 5.3369 _cell_length_b 9.2423 _cell_length_c 10.1618 _cell_angle_alpha 90 _cell_angle_beta 100.222 _cell_angle_gamma 90 _cell_volume 493.277 _exptl_crystal_density_diffrn 3.068 _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 0.87000 0.03300 NaA 0.00000 0.50000 0.00000 0.06000 0.03300 MgM1 0.00000 0.00000 0.50000 0.50000 0.01100 Fe2+M1 0.00000 0.00000 0.50000 0.37000 0.01100 TiM1 0.00000 0.00000 0.50000 0.13000 0.01100 MgM2 0.00000 0.33900 0.50000 0.50000 0.01200 Fe2+M2 0.00000 0.33900 0.50000 0.37000 0.01200 TiM2 0.00000 0.33900 0.50000 0.13000 0.01200 AlT 0.07420 0.16720 0.22410 0.27000 0.00900 SiT 0.07420 0.16720 0.22410 0.73000 0.00900 O1 0.31870 0.23610 0.16620 1.00000 0.01900 O2 0.02650 0.00000 0.16800 1.00000 0.01900 O3 0.13090 0.16920 0.39050 1.00000 0.01000 O4 0.13070 0.50000 0.39920 1.00000 0.01100 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 KA 0.03100 0.03100 0.03600 0.00000 0.00500 0.00000 NaA 0.03100 0.03100 0.03600 0.00000 0.00500 0.00000 MgM1 0.01000 0.00900 0.01500 0.00000 0.00400 0.00000 Fe2+M1 0.01000 0.00900 0.01500 0.00000 0.00400 0.00000 TiM1 0.01000 0.00900 0.01500 0.00000 0.00400 0.00000 MgM2 0.00800 0.01500 0.01300 0.00000 0.00100 0.00000 Fe2+M2 0.00800 0.01500 0.01300 0.00000 0.00100 0.00000 TiM2 0.00800 0.01500 0.01300 0.00000 0.00100 0.00000 AlT 0.00900 0.00900 0.01000 0.00000 0.00200 0.00000 SiT 0.00900 0.00900 0.01000 0.00000 0.00200 0.00000 O1 0.01700 0.02600 0.01400 -0.00700 0.00400 -0.00200 O2 0.02800 0.01200 0.01400 0.00000 0.00100 0.00000 O3 0.01100 0.01100 0.00900 0.00000 0.00200 0.00000 O4 0.00900 0.01400 0.01100 0.00000 0.00200 0.00000