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