data_global _chemical_name_mineral 'Michalskiite' loop_ _publ_author_name 'Kampf A R' 'Plasil J' 'Skoda R' 'Cejka J' _journal_name_full 'Journal of Geosciences' _journal_volume 67 _journal_year 2022 _journal_page_first 33 _journal_page_last 40 _publ_section_title ; Michalskiite, Cu2+Mg3Fe3+3.33(VO4)6, an Mg analogue of lyonsite, from the Ronneburg uranium deposit, Thuringia, Germany ; _database_code_amcsd 0021065 _chemical_compound_source 'Ronneburg deposit, Germany' _chemical_formula_sum 'Fe1.54 Cu.58 Mg1.536 V2.897 O12' _cell_length_a 10.2356 _cell_length_b 17.3689 _cell_length_c 4.9406 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 878.345 _exptl_crystal_density_diffrn 3.779 _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_occupancy _atom_site_U_iso_or_equiv Fe1 0.75000 0.74918 0.90850 0.60600 0.03240 Cu2 0.25000 0.82230 0.21090 0.58000 0.00810 Mg2 0.25000 0.80100 0.26300 0.47000 0.01200 Fe3 0.42295 0.97236 0.24751 0.46700 0.00710 Mg3 0.42295 0.97236 0.24751 0.53300 0.00710 V1 0.25000 0.05663 -0.22296 0.95500 0.00620 V2 0.47154 0.84417 0.72431 0.97100 0.00640 O1 0.61390 0.79578 0.65790 1.00000 0.01640 O2 0.38520 0.87273 0.42960 1.00000 0.01320 O3 0.25000 0.99400 0.06500 1.00000 0.01540 O4 0.38470 0.03502 0.58490 1.00000 0.01490 O5 0.50510 0.92640 0.91310 1.00000 0.01320 O6 0.75000 0.65210 0.65220 1.00000 0.01760 O7 0.37490 0.79076 -0.07590 1.00000 0.01640 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 Fe1 0.00530 0.01170 0.08010 0.00000 0.00000 0.01060 Cu2 0.00800 0.01200 0.00460 0.00000 0.00000 -0.00330 Mg2 0.00600 0.02000 0.01000 0.00000 0.00000 0.00700 Fe3 0.00660 0.01010 0.00440 0.00000 -0.00040 -0.00010 Mg3 0.00660 0.01010 0.00440 0.00000 -0.00040 -0.00010 V1 0.00390 0.01060 0.00410 0.00000 0.00000 -0.00070 V2 0.00550 0.00900 0.00470 0.00080 -0.00040 -0.00080 O1 0.01510 0.01680 0.01730 0.00030 0.00120 0.00040 O2 0.01180 0.01670 0.01120 -0.00110 -0.00110 -0.00080 O3 0.01300 0.02300 0.01070 0.00000 0.00000 0.00180 O4 0.01140 0.01680 0.01660 -0.00030 0.00150 -0.00300 O5 0.01180 0.01650 0.01110 -0.00010 0.00020 -0.00110 O6 0.01000 0.02100 0.02200 0.00000 0.00000 0.00420 O7 0.01780 0.01660 0.01480 0.00190 0.00080 -0.00120