data_global _chemical_name_mineral 'Hexaferrum' loop_ _publ_author_name 'Mochalov A G' 'Dmitrenko G G' 'Rudashevsky N S' 'Zhernovsky I V' 'Boldyreva M M' _journal_name_full 'Zapiski Vserossijskogo Mineralogicheskogo Obshchestva' _journal_volume 127 _journal_year 1998 _journal_page_first 41 _journal_page_last 51 _publ_section_title ; Hexaferrum (Fe,Ru),(Fe,Os),(Fe,Ir) - a new mineral Note: sample 48-126 ; _database_code_amcsd 0020235 _chemical_compound_source 'Chirynaisky Massif, Koryak Mts, Far-Eastern Region, Russia' _chemical_formula_sum 'Fe.49 Ru.34 Os.1 Ir.05' _cell_length_a 2.64 _cell_length_b 2.64 _cell_length_c 4.20 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 25.351 _exptl_crystal_density_diffrn 11.838 _symmetry_space_group_name_H-M 'P 63/m m c' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-x+y,1/2+z' 'x,x-y,1/2-z' '-x+y,-x,1/2-z' 'x-y,x,1/2+z' '-y,-x,z' 'y,x,-z' 'y,-x+y,-z' '-y,x-y,z' 'x-y,-y,1/2+z' '-x+y,y,1/2-z' 'x,y,1/2-z' '-x,-y,1/2+z' 'x,x-y,z' '-x,-x+y,-z' 'x-y,x,-z' '-x+y,-x,z' 'y,x,1/2+z' '-y,-x,1/2-z' '-y,x-y,1/2-z' 'y,-x+y,1/2+z' '-x+y,y,z' 'x-y,-y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Fe 0.33333 0.66667 0.25000 0.49000 Ru 0.33333 0.66667 0.25000 0.34000 Os 0.33333 0.66667 0.25000 0.10000 Ir 0.33333 0.66667 0.25000 0.05000