data_global
_chemical_name_mineral 'Wonesite'
loop_
_publ_author_name
'Kogure T'
'Miyawaki R'
'Banno Y'
_journal_name_full 'American Mineralogist'
_journal_volume 90 
_journal_year 2005
_journal_page_first 725
_journal_page_last 731
_publ_section_title
;
 The true structure of wonesite, an interlayer-deficient trioctahedral sodium mica
;
_database_code_amcsd 0003769
_chemical_formula_sum 'Na.46 K.09 Mg2.13 Fe.42 Al1.27 Si3.12 O12'
_cell_length_a 5.31
_cell_length_b 9.18
_cell_length_c 9.754
_cell_angle_alpha 96.20
_cell_angle_beta 96.5
_cell_angle_gamma 89.9
_cell_volume 469.621
_exptl_crystal_density_diffrn      2.851
_symmetry_space_group_name_H-M 'C -1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  '-x,-y,-z'
  '1/2-x,1/2-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
Na   0.00000   0.00000   0.00000   0.46000   0.03800
K   0.00000   0.00000   0.00000   0.09000   0.03800
Mg1   0.00000   0.50000   0.50000   0.71000   0.01013
Fe1   0.00000   0.50000   0.50000   0.14000   0.01013
Al1   0.00000   0.50000   0.50000   0.13000   0.01013
Mg2   0.00000   0.83000   0.50000   0.71000   0.01013
Fe2   0.00000   0.83000   0.50000   0.14000   0.01013
Al2   0.00000   0.83000   0.50000   0.13000   0.01013
Si   0.61200   0.13700   0.22500   0.78000   0.01013
Al   0.61200   0.13700   0.22500   0.22000   0.01013
Si*   0.61200   0.79700   0.22500   0.78000   0.01013
Al*   0.61200   0.79700   0.22500   0.22000   0.01013
O1   0.86000   0.18900   0.15800   1.00000   0.02153
O1*   0.86000   0.72900   0.15800   1.00000   0.02153
O2   0.56000  -0.04000   0.15800   1.00000   0.02153
O3   0.64300   0.15700   0.39300   1.00000   0.01520
O3*   0.64300   0.81700   0.39300   1.00000   0.01520
O4   0.14300  -0.01300   0.39300   1.00000   0.01520