data_global _chemical_name_mineral 'Svetlanaite' loop_ _publ_author_name 'Okrugin V M' 'Vymazalová A' 'Kozlov V V' 'Laufek F' 'Stanley C J' 'Shkilev I A' _journal_name_full 'Mineralogical Magazine' _journal_volume 86 _journal_year 2022 _journal_page_first 234 _journal_page_last 242 _publ_section_title ; Svetlanaite, SnSe, a new mineral from the Ozernovskoe deposit, Kamchatka peninsula, Russia ; _database_code_amcsd 0021060 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Sn Se' _cell_length_a 11.500 _cell_length_b 4.154 _cell_length_c 4.445 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 212.342 _exptl_crystal_density_diffrn 6.183 _symmetry_space_group_name_H-M 'P n m a' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,z' '-x,1/2+y,-z' '1/2-x,1/2+y,1/2+z' '1/2+x,1/2-y,1/2-z' '1/2+x,y,1/2-z' '1/2-x,-y,1/2+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 Sn 0.11824 0.25000 0.10078 0.00127 Se 0.85467 0.25000 0.48780 0.00127