Svornostite, K2Mg[(UO2)(SO4)2]2 . 8H2O, a new uranyl sulfate mineral from Jachymov, Czech Republic
Jakub Plasil; Jan Hlousek; Anatoly V. Kasatkin; Milan Novak; Jiri Cejka; Ladislav Lapcak; Journal of GeoSciences 60 (2015) 113–121; doi:10.3190/jgeosci.192

data_1566263
_publ_section_title
;
 Svornostite, K2Mg[(UO2)(SO4)2]2 . 8H2O, a new uranyl sulfate mineral from
 Jachymov, Czech Republic
;
_journal_name_full               'Journal of GeoSciences'
_journal_page_first              113
_journal_page_last               121
_journal_paper_doi               10.3190/jgeosci.192
_journal_volume                  60
_journal_year                    2015
_chemical_formula_sum            'Ca0 K2 Mg Na0 O28 S4 U2'
_chemical_formula_weight         1154.8
_space_group_IT_number           31
_space_group_name_Hall           'P 2ac -2'
_space_group_name_H-M_alt        'P m n 21'
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      31
_symmetry_space_group_name_Hall  'P 2ac -2'
_symmetry_space_group_name_H-M   'P m n 21'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   12.7850(3)
_cell_length_b                   8.2683(4)
_cell_length_c                   11.2163(3)
_cell_measurement_temperature    300
_cell_volume                     1185.68(7)
_diffrn_ambient_temperature      300
_diffrn_measured_fraction_theta_full 0.98
_diffrn_measured_fraction_theta_max 0.96
_diffrn_measurement_device_type  'Oxford Diffraction Gemini'
_diffrn_measurement_method       omega
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'X-ray tube'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0474
_diffrn_reflns_av_unetI/netI     0.0274
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            19142
_diffrn_reflns_theta_full        28.93
_diffrn_reflns_theta_max         29.3
_diffrn_reflns_theta_min         2.93
_exptl_absorpt_coefficient_mu    14.49
_exptl_absorpt_correction_T_max  1.0
_exptl_absorpt_correction_T_min  0.5743
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    3.2345
_exptl_crystal_F_000             1044
_exptl_crystal_size_max          0.235
_exptl_crystal_size_mid          0.068
_exptl_crystal_size_min          0.052
_refine_diff_density_max         1.40
_refine_diff_density_min         -0.98
_refine_ls_abs_structure_details
'  1410 of Friedel pairs used in the refinement'
_refine_ls_abs_structure_Flack   0.018(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_gt    1.38
_refine_ls_goodness_of_fit_ref   1.34
_refine_ls_number_constraints    1
_refine_ls_number_parameters     179
_refine_ls_number_reflns         3108
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0280
_refine_ls_R_factor_gt           0.0230
_refine_ls_shift/su_max          0.0283
_refine_ls_shift/su_mean         0.0023
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details     w=1/(\s^2^(I)+0.0004I^2^)
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_gt          0.0567
_refine_ls_wR_factor_ref         0.0587
_reflns_number_gt                2745
_reflns_number_total             3108
_reflns_threshold_expression     I>3\s(I)
_cod_data_source_file            jgeosci.192_plasil_supplement.cif
_cod_data_source_block           I
_cod_original_sg_symbol_Hall     'P -2x;-2yac;2zac'
_cod_original_formula_sum        'Ca0 K2 Mg1 Na0 O28 S4 U2'
_cod_database_code               1566263