data_global _chemical_name_mineral 'Langbanshyttanite' loop_ _publ_author_name 'Chukanov N V' 'Pekov I V' 'Johsson E' 'Zubkova N V' 'Filinchuk Y E' 'Belakovskiy D I' 'Pushcharovsky D Y' _journal_name_full 'European Journal of Mineralogy' _journal_volume 23 _journal_year 2011 _journal_page_first 675 _journal_page_last 681 _publ_section_title ; Langbanshyttanite, a new low-temperature arsenate mineral with a novel structure from Langban, Sweden ; _database_code_amcsd 0018642 _chemical_compound_source 'Langban, Sweden' _chemical_formula_sum 'Pb2 Mn2 Mg As2 O18 H16' _cell_length_a 5.0528 _cell_length_b 5.7671 _cell_length_c 14.617 _cell_angle_alpha 85.656 _cell_angle_beta 82.029 _cell_angle_gamma 88.728 _cell_volume 420.583 _exptl_crystal_density_diffrn 3.958 _symmetry_space_group_name_H-M 'P -1' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Pb 0.07690 0.28640 0.30310 0.02400 Mn -0.01800 0.24600 0.55430 0.01000 Mg 0.00000 0.50000 0.00000 0.00500 As 0.41500 0.21100 0.71670 0.00600 O1 0.17400 0.34600 0.66800 0.01000 O2 0.69900 0.08800 0.67500 0.01000 O-H3 0.22500 0.41000 0.43200 0.01000 O-H4 0.19000 -0.08500 0.56400 0.01000 Wat5 0.11400 0.72400 0.09600 0.01000 Wat6 0.28000 0.23000 0.03400 0.02000 Wat7 0.30000 0.66100 -0.09900 0.05000 O8 0.20600 -0.00400 0.78700 0.01000 O9 0.56000 0.40600 0.78900 0.02000