data_global _chemical_name_mineral 'Lizardite' loop_ _publ_author_name 'Laurora A' 'Brigatti M F' 'Malferrari D' 'Galli E' _journal_name_full 'The Canadian Mineralogist' _journal_volume 49 _journal_year 2011 _journal_page_first 1045 _journal_page_last 1054 _publ_section_title ; The crystal chemistry of lizardite-1T from north Apennines ophiolites near Modena, Italy Note: Varana 1, polytype 1T ; _database_code_amcsd 0018975 _chemical_compound_source 'Varana, Modena Apennines, Italy' _chemical_formula_sum 'Si1.888 Al.223 Fe.141 Mg2.742 O9 H4' _cell_length_a 5.3259 _cell_length_b 5.3259 _cell_length_c 7.2726 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 178.651 _exptl_crystal_density_diffrn 2.617 _symmetry_space_group_name_H-M 'P 3 1 m' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x-y,-y,z' '-y,x-y,z' 'y,x,z' '-x+y,-x,z' '-x,-x+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 SiT 0.33333 0.66667 0.07580 0.94400 0.00700 AlT 0.33333 0.66667 0.07580 0.05600 0.00700 AlM 0.33250 0.00000 0.45740 0.03700 0.00900 Fe2+M 0.33250 0.00000 0.45740 0.04700 0.00900 MgM 0.33250 0.00000 0.45740 0.91400 0.00900 O1 0.33333 0.66667 0.29570 1.00000 0.00700 O2 0.50660 0.00000 -0.00630 1.00000 0.01300 O3 0.66570 0.00000 0.59080 1.00000 0.00900 O4 0.00000 0.00000 0.30260 1.00000 0.00800 H3 0.85600 0.00000 0.57900 1.00000 0.04200 H4 0.00000 0.00000 0.15900 1.00000 0.04200 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 SiT 0.00500 0.00500 0.01100 0.00300 0.00000 0.00000 AlT 0.00500 0.00500 0.01100 0.00300 0.00000 0.00000 AlM 0.00500 0.00600 0.01500 0.00300 0.00000 0.00000 Fe2+M 0.00500 0.00600 0.01500 0.00300 0.00000 0.00000 MgM 0.00500 0.00600 0.01500 0.00300 0.00000 0.00000 O1 0.00600 0.00600 0.00800 0.00300 0.00000 0.00000 O2 0.01500 0.00900 0.01400 0.00400 0.00000 0.00000 O3 0.00900 0.00900 0.00700 0.00500 0.00000 0.00000 O4 0.00700 0.00700 0.00900 0.00400 0.00000 0.00000