data_global _chemical_name_mineral 'Goldfieldite' loop_ _publ_author_name 'Pohl D' 'Liessmann W' 'Okrugin V M' _journal_name_full 'Neues Jahrbuch fur Mineralogie, Monatshefte' _journal_volume 1996 _journal_year 1996 _journal_page_first 1 _journal_page_last 8 _publ_section_title ; Rietveld analysis of selenium-bearing goldfieldites ; _database_code_amcsd 0014882 _chemical_compound_source 'Ozernoya deposit, Kamchatka, Russia' _chemical_formula_sum 'Cu2.875 (Te.675 Sb.225 As.1) (S2.79 Se.21)' _cell_length_a 10.335 _cell_length_b 10.335 _cell_length_c 10.335 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1103.904 _exptl_crystal_density_diffrn 4.931 _symmetry_space_group_name_H-M 'I -4 3 m' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' '-z,x,-y' '1/2-z,1/2+x,1/2-y' '-y,z,-x' '1/2-y,1/2+z,1/2-x' '-x,y,-z' '1/2-x,1/2+y,1/2-z' 'x,-z,-y' '1/2+x,1/2-z,1/2-y' 'z,-y,-x' '1/2+z,1/2-y,1/2-x' 'y,-x,-z' '1/2+y,1/2-x,1/2-z' 'x,z,y' '1/2+x,1/2+z,1/2+y' 'z,y,x' '1/2+z,1/2+y,1/2+x' 'y,x,z' '1/2+y,1/2+x,1/2+z' '-z,-x,y' '1/2-z,1/2-x,1/2+y' '-y,-z,x' '1/2-y,1/2-z,1/2+x' '-x,-y,z' '1/2-x,1/2-y,1/2+z' 'z,-x,-y' '1/2+z,1/2-x,1/2-y' 'y,-z,-x' '1/2+y,1/2-z,1/2-x' 'x,-y,-z' '1/2+x,1/2-y,1/2-z' '-x,z,-y' '1/2-x,1/2+z,1/2-y' '-z,y,-x' '1/2-z,1/2+y,1/2-x' '-y,x,-z' '1/2-y,1/2+x,1/2-z' '-x,-z,y' '1/2-x,1/2-z,1/2+y' '-z,-y,x' '1/2-z,1/2-y,1/2+x' '-y,-x,z' '1/2-y,1/2-x,1/2+z' 'z,x,y' '1/2+z,1/2+x,1/2+y' 'y,z,x' '1/2+y,1/2+z,1/2+x' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Cu1 0.25000 0.50000 0.00000 1.00000 Cu2 0.19600 0.00000 0.00000 0.91700 Te 0.26300 0.26300 0.26300 0.67500 Sb 0.26300 0.26300 0.26300 0.22500 As 0.26300 0.26300 0.26300 0.10000 S1 0.11800 0.11800 0.35900 0.93000 Se1 0.11800 0.11800 0.35900 0.07000