data_global _chemical_name_mineral 'Eldragonite' loop_ _publ_author_name 'Paar W H' 'Cooper M A' 'Moelo Y' 'Stanley C J' 'Putz H' 'Topa D' 'Roberts A C' 'Stirling J' 'Raith J G' 'Rowe R' _journal_name_full 'The Canadian Mineralogist' _journal_volume 50 _journal_year 2012 _journal_page_first 281 _journal_page_last 294 _publ_section_title ; Eldragonite, Cu6BiSe4(Se2), a new mineral species from the El Dragon mine, Potosi, Bolivia, and its crystal structure ; _database_code_amcsd 0019204 _chemical_compound_source 'El Dragon mine, Potosi, Bolivia' _chemical_formula_sum 'Cu6 Bi Se6' _cell_length_a 4.0341 _cell_length_b 27.056 _cell_length_c 9.5559 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1042.994 _exptl_crystal_density_diffrn 6.776 _symmetry_space_group_name_H-M 'P m c n' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2-x,y,z' '1/2+x,-y,-z' '1/2+x,1/2+y,1/2-z' '1/2-x,1/2-y,1/2+z' 'x,1/2-y,1/2+z' '-x,1/2+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 Cu1 0.25000 0.02265 0.07475 0.01960 Cu2 0.25000 0.11574 0.02738 0.02130 Cu3 0.25000 0.78781 0.19084 0.02800 Cu4 0.25000 0.55445 0.78117 0.02180 Cu5 0.25000 0.50190 0.07705 0.03460 Cu6 0.25000 0.26005 0.14636 0.01910 Bi 0.25000 0.61432 0.10659 0.01553 Se1 0.25000 0.39728 0.13545 0.01269 Se2 0.25000 0.56504 0.52343 0.01333 Se3 0.25000 0.17350 0.21325 0.01256 Se4 0.25000 0.03593 0.33309 0.01354 Se5 0.25000 0.33404 0.31352 0.01238 Se6 0.25000 0.76739 0.49037 0.01386 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 Cu1 0.02210 0.01410 0.02280 0.00000 0.00000 0.00030 Cu2 0.02680 0.01800 0.01900 0.00000 0.00000 -0.00290 Cu3 0.01540 0.02140 0.04720 0.00000 0.00000 -0.00970 Cu4 0.02690 0.01650 0.02200 0.00000 0.00000 0.00230 Cu5 0.01300 0.05590 0.03470 0.00000 0.00000 -0.02060 Cu6 0.01750 0.01750 0.02220 0.00000 0.00000 0.00100 Bi 0.01489 0.01438 0.01733 0.00000 0.00000 0.00021 Se1 0.01360 0.01200 0.01240 0.00000 0.00000 0.00030 Se2 0.01110 0.01180 0.01710 0.00000 0.00000 -0.00070 Se3 0.01380 0.01140 0.01240 0.00000 0.00000 0.00030 Se4 0.01610 0.01230 0.01220 0.00000 0.00000 0.00100 Se5 0.01370 0.01120 0.01230 0.00000 0.00000 0.00030 Se6 0.01300 0.01300 0.01560 0.00000 0.00000 -0.00160