data_global _chemical_name_mineral 'Junoite' loop_ _publ_author_name 'Mumme W G' _journal_name_full 'American Mineralogist' _journal_volume 60 _journal_year 1975 _journal_page_first 548 _journal_page_last 558 _publ_section_title ; Junoite, Cu2Pb3Bi8(S,Se)16, a new sulfosalt from Tennant Creek, Australia: Its crystal structure and relationship with other bismuth sulfosalts ; _database_code_amcsd 0000465 _chemical_formula_sum 'Bi8 Pb3 Cu2 S13.2 Se2.8' _cell_length_a 26.66 _cell_length_b 4.06 _cell_length_c 17.03 _cell_angle_alpha 90 _cell_angle_beta 127.20 _cell_angle_gamma 90 _cell_volume 1468.260 _exptl_crystal_density_diffrn 6.933 _symmetry_space_group_name_H-M 'C 1 2/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,z' '1/2+x,1/2-y,z' '-x,y,-z' '1/2-x,1/2+y,-z' '-x,-y,-z' '1/2-x,1/2-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 Bi1 0.14860 0.50000 0.23260 1.00000 0.05155 Bi2 0.31020 0.00000 0.47990 1.00000 0.04597 Pb1 0.02050 0.00000 0.27720 1.00000 0.06497 Bi3 0.35600 0.00000 0.26820 1.00000 0.05383 Bi4 0.32440 0.50000 0.02490 1.00000 0.05205 Pb2 0.00000 0.00000 0.00000 1.00000 0.05028 Cu 0.05290 0.00000 0.48690 1.00000 0.09056 S1 0.13230 0.00000 0.10440 1.00000 0.04306 S2 0.15570 0.00000 0.36530 1.00000 0.03926 S3 0.28700 0.50000 0.34510 0.25000 0.03800 Se3 0.28700 0.50000 0.34510 0.75000 0.03800 S4 0.07590 0.50000 0.45160 1.00000 0.04306 S5 0.40360 0.00000 0.16590 1.00000 0.04179 S6 0.26390 0.50000 0.11060 1.00000 0.03926 S7 0.43410 0.50000 0.36440 1.00000 0.04686 S8 0.01390 0.50000 0.13150 0.35000 0.04813 Se8 0.01390 0.50000 0.13150 0.65000 0.04813