data_global _chemical_name_mineral 'Miargyrite' loop_ _publ_author_name 'Effenberger H' 'Paar W H' 'Topa D' 'Criddle A J' 'Fleck M' _journal_name_full 'American Mineralogist' _journal_volume 87 _journal_year 2002 _journal_page_first 753 _journal_page_last 764 _publ_section_title ; The new mineral baumstarkite and a structural reinvestigation of aramayoite and miargyrite ; _database_code_amcsd 0002822 _chemical_formula_sum 'Ag Sb S2' _cell_length_a 12.862 _cell_length_b 4.409 _cell_length_c 13.218 _cell_angle_alpha 90 _cell_angle_beta 98.48 _cell_angle_gamma 90 _cell_volume 741.379 _exptl_crystal_density_diffrn 5.264 _symmetry_space_group_name_H-M 'C 1 2/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '-x,y,1/2-z' '1/2-x,1/2+y,1/2-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 Ag1 0.00000 0.02945 0.25000 Ag2 0.00000 0.50000 0.50000 Sb 0.25550 -0.03358 0.62662 S1 0.14337 0.35100 0.69954 S2 0.11173 0.17960 0.41767 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Ag1 0.02500 0.04390 0.03440 0.00000 0.00050 0.00000 Ag2 0.03460 0.05930 0.03920 0.01570 0.01450 -0.01060 Sb 0.02180 0.01840 0.01480 -0.00022 0.04640 -0.00050 S1 0.01800 0.02030 0.01700 -0.00050 0.00410 -0.00040 S2 0.02070 0.02370 0.02100 0.00120 0.00840 0.00170