data_global
_chemical_name_mineral 'Londonite'
loop_
_publ_author_name
'Pekov I V'
'Yakubovich O V'
'Massa W'
'Chukanov N V'
'Kononkova N N'
'Agakhanov A A'
'Karpenko V Y'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 48 
_journal_year 2010
_journal_page_first 241
_journal_page_last 254
_publ_section_title
;
 Londonite from the Urals, and new aspects of the crystal chemistry
 of the rhodozite-londonite series,
 Note: sample FMM-32135
;
_database_code_amcsd 0006327
_chemical_compound_source 'Ministerskaya Yama Pit, Sarapulka pegmatite field, Russia'
_chemical_formula_sum 'Cs.553 K.332 Al4 B10.8 Be4.84 O28'
_cell_length_a 7.3149
_cell_length_b 7.3149
_cell_length_c 7.3149
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 391.404
_exptl_crystal_density_diffrn      3.406
_symmetry_space_group_name_H-M 'P -4 3 m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-z,x,-y'
  '-y,z,-x'
  '-x,y,-z'
  'x,-z,-y'
  'z,-y,-x'
  'y,-x,-z'
  'x,z,y'
  'z,y,x'
  'y,x,z'
  '-z,-x,y'
  '-y,-z,x'
  '-x,-y,z'
  'z,-x,-y'
  'y,-z,-x'
  'x,-y,-z'
  '-x,z,-y'
  '-z,y,-x'
  '-y,x,-z'
  '-x,-z,y'
  '-z,-y,x'
  '-y,-x,z'
  'z,x,y'
  'y,z,x'
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
Cs   0.50000   0.50000   0.50000   0.55300   0.01460
K   0.46000   0.46000   0.46000   0.08300   0.01460
Al   0.85964   0.85964   0.85964   1.00000   0.00320
B   0.50000   0.74820   0.00000   0.90000   0.00290
Be*   0.50000   0.74820   0.00000   0.10000   0.00290
Be   0.24150   0.75850   0.75850   0.91000   0.00500
O1   0.11850   0.88150   0.88150   1.00000   0.00400
O2   0.59950   0.86343   0.86343   1.00000   0.00330
O3   0.36488   0.63512   0.90040   1.00000   0.00400