data_global _chemical_name_mineral 'Aluminomagnesiohulsite' loop_ _publ_author_name 'Pertsev N N' 'Schreyer W' 'Armbruster T' 'Bernhardt H J' 'Medenbach O' _journal_name_full 'European Journal of Mineralogy' _journal_volume 16 _journal_year 2004 _journal_page_first 151 _journal_page_last 161 _publ_section_title ; Alumino-magnesiohulsite, a new member of the hulsite group, in kotoite marble from east of Verkhoyansk, Sakha-Yakutia, Russia ; _database_code_amcsd 0007031 _chemical_compound_source 'east of Verkhoyansk, Sakha-Yakutia, Russia' _chemical_formula_sum 'Fe.7 Sn.3 Al1.3 Mg3.7 B2 O10' _cell_length_a 5.3444 _cell_length_b 3.0300 _cell_length_c 10.506 _cell_angle_alpha 90 _cell_angle_beta 94.46 _cell_angle_gamma 90 _cell_volume 169.614 _exptl_crystal_density_diffrn 3.733 _symmetry_space_group_name_H-M 'P 1 2/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,-y,z' '-x,y,-z' '-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 Fe3+1 0.00000 0.00000 0.00000 0.35000 0.00722 Sn1 0.00000 0.00000 0.00000 0.30000 0.00722 Al1 0.00000 0.00000 0.00000 0.30000 0.00722 Fe2+1 0.00000 0.00000 0.00000 0.05000 0.00722 Al2 0.50000 0.00000 0.50000 0.50000 0.00722 Mg2 0.50000 0.00000 0.50000 0.50000 0.00722 Al3 0.00000 0.00000 0.50000 0.50000 0.00722 Mg3 0.00000 0.00000 0.50000 0.50000 0.00722 Mg4 0.50000 0.50000 0.00000 0.90000 0.00722 Fe2+4 0.50000 0.50000 0.00000 0.10000 0.00722 Mg5 0.21630 0.50000 0.28020 0.90000 0.00722 Fe2+5 0.21630 0.50000 0.28020 0.10000 0.00722 B 0.28900 0.00000 0.75800 1.00000 0.00507 O1 0.30900 0.00000 0.89010 1.00000 0.00760 O2 0.49500 0.00000 0.30690 1.00000 0.00633 O3 0.05400 0.00000 0.69470 1.00000 0.00507 O4 0.17900 0.50000 0.09340 1.00000 0.00507 O5 0.24700 0.50000 0.47600 1.00000 0.01393