data_global _chemical_name_mineral 'Tuperssuatsiaite' loop_ _publ_author_name 'Camara F' 'Garvie L A J' 'Devouard B' 'Groy T L' 'Buseck P R' _journal_name_full 'American Mineralogist' _journal_volume 87 _journal_year 2002 _journal_page_first 1458 _journal_page_last 1463 _publ_section_title ; The structure of Mn-tuperssuatsiaite, a palygorskite-related mineral ; _database_code_amcsd 0002916 _chemical_formula_sum 'Si8 (Fe1.09 Mn1.91) Na1.88 O28 H10' _cell_length_a 14.034 _cell_length_b 17.841 _cell_length_c 5.265 _cell_angle_alpha 90 _cell_angle_beta 103.67 _cell_angle_gamma 90 _cell_volume 1280.912 _exptl_crystal_density_diffrn 2.312 _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 Si1 0.29740 0.41580 0.03660 1.00000 0.01600 Si2 0.29620 0.33270 0.53010 1.00000 0.01700 FeM1 0.50000 0.50000 0.00000 0.43000 0.01400 MnM1 0.50000 0.50000 0.00000 0.57000 0.01400 FeM2 0.50000 0.40950 0.50000 0.33000 0.01500 MnM2 0.50000 0.40950 0.50000 0.67000 0.01500 NaM3 0.50000 0.29700 0.00000 0.94000 0.02900 O1 0.41540 0.41640 0.12160 1.00000 0.01700 O2 0.41200 0.33330 0.59200 1.00000 0.02200 O3 0.25000 0.25000 0.50000 1.00000 0.03100 O-H4 0.56990 0.50000 0.37670 1.00000 0.02000 O5 0.25390 0.50000 -0.00550 1.00000 0.02200 O6 0.25150 0.37660 0.25810 1.00000 0.02100 O7 0.25630 0.37160 0.76550 1.00000 0.02300 Wat8 0.42910 0.20480 0.20700 1.00000 0.10300 O9 0.55600 0.00000 0.29000 1.00000 0.50000 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 Si1 0.01900 0.01300 0.01600 -0.00300 0.00600 0.00000 Si2 0.02200 0.01600 0.01300 -0.00500 0.00500 -0.00100 FeM1 0.02100 0.01100 0.01300 0.00000 0.00700 0.00000 MnM1 0.02100 0.01100 0.01300 0.00000 0.00700 0.00000 FeM2 0.01500 0.01800 0.01300 0.00000 0.00300 0.00000 MnM2 0.01500 0.01800 0.01300 0.00000 0.00300 0.00000 NaM3 0.03000 0.03200 0.02100 0.00000 -0.00200 0.00000 O1 0.01900 0.01700 0.01700 -0.00100 0.00900 -0.00200 O2 0.02500 0.02600 0.01600 0.00100 0.00800 -0.00100 O3 0.04600 0.01900 0.03000 -0.01300 0.01300 0.00000 O-H4 0.02700 0.01500 0.01800 0.00000 0.00600 0.00000 O5 0.02100 0.01300 0.03100 0.00000 0.00200 0.00000 O6 0.01800 0.02700 0.02100 0.00000 0.00900 0.00200 O7 0.02100 0.02300 0.02500 -0.00600 0.00700 -0.00400 Wat8 0.09500 0.11200 0.11500 -0.06000 0.05100 -0.02700