data_global
_chemical_name_mineral 'Geschieberite'
loop_
_publ_author_name
'Plasil J'
'Hlousek J'
'Kasatkin A V'
'Skoda R'
'Novak M'
'Cejka J'
_journal_name_full 'Mineralogical Magazine'
_journal_volume 79 
_journal_year 2015
_journal_page_first 205
_journal_page_last 216
_publ_section_title
;
 Geschieberite, K2(UO2)(SO4)2(H2O)2, a new uranyl sulfate mineral from Jachymov
;
_database_code_amcsd 0020741
_chemical_compound_source 'Svornost mine, Jachymov, Czech Republic'
_chemical_formula_sum 'K2 U S2 (O12 H4)'
_cell_length_a 13.7778
_cell_length_b 7.2709
_cell_length_c 11.5488
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1156.924
_exptl_crystal_density_diffrn      3.309
_symmetry_space_group_name_H-M 'P n a 21'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2-y,z'
  '1/2-x,1/2+y,1/2+z'
  '-x,-y,1/2+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
K1   0.06980   0.23990   0.03510   0.03240
K2  -0.07100  -0.23710  -0.03830   0.03110
U   0.25508   0.91435   0.25041   0.01299
S1   0.17620   0.74350  -0.03130   0.01440
S2  -0.17660  -0.74420   0.02830   0.01570
Wat1   0.23520   0.06870   0.75430   0.02400
O2   0.24610   0.79700   0.06240   0.01900
O3  -0.24830  -0.78500  -0.06520   0.02000
O4   0.25840   0.17030   0.12440   0.01600
O5  -0.26570  -0.17200  -0.12820   0.02000
Wat6   0.06810   0.39950   0.24740   0.03810
O7   0.10590   0.60940   0.00200   0.02700
O8  -0.10930  -0.60580  -0.01670   0.02100
O9   0.13300   0.91460  -0.07120   0.02000
O10  -0.12280  -0.90860   0.06550   0.02300
O11   0.38320   0.89660   0.25550   0.01980
O12   0.12640   0.93260   0.25560   0.02190
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
K1 0.02300 0.02000 0.05400 -0.00060 0.00500 -0.00490
K2 0.02400 0.02200 0.04700 0.00100 -0.00100 -0.00410
U 0.01811 0.00904 0.01181 -0.00029 -0.00120 -0.00340
S1 0.01800 0.01200 0.01300 0.00140 0.00000 -0.00360
S2 0.02300 0.00800 0.01600 -0.00160 0.00000 0.00110