data_global
_chemical_name_mineral 'Olgite'
loop_
_publ_author_name
'Sokolova E'
'Hawthorne F C'
'Khomyakov A P'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 43 
_journal_year 2005
_journal_page_first 1521
_journal_page_last 1526
_publ_section_title
;
 Refinement of the crystal structure and revision of the
 chemical formula of olgite: (Ba,Sr) (Na,Sr,REE)2 Na [PO4]2
 Sample: III
;
_database_code_amcsd 0006064
_chemical_compound_source 'Lovozero alkaline massif, Kola Peninsula, Russia'
_chemical_formula_sum 'Ba.88 Sr.78 Na2.2 Ce.06 La.04 Ca.04 P2 O8'
_cell_length_a 5.5492
_cell_length_b 5.5492
_cell_length_c 7.0286
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 187.439
_exptl_crystal_density_diffrn      3.945
_symmetry_space_group_name_H-M 'P -3 m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-y,-x,z'
  'y,-x+y,-z'
  '-x,-x+y,-z'
  '-x+y,-x,z'
  '-x+y,y,z'
  '-x,-y,-z'
  'y,x,-z'
  '-y,x-y,z'
  'x,x-y,z'
  'x-y,x,-z'
  'x-y,-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
BaM1   0.00000   0.00000   0.50000   0.88000   0.04050
SrM1   0.00000   0.00000   0.50000   0.12000   0.04050
NaM2   0.33333   0.66667   0.16315   0.62000   0.02230
SrM2   0.33333   0.66667   0.16315   0.33000   0.02230
CeM2   0.33333   0.66667   0.16315   0.03000   0.02230
LaM2   0.33333   0.66667   0.16315   0.02000   0.02230
NaM3   0.00000   0.00000   0.00000   0.96000   0.01650
CaM3   0.00000   0.00000   0.00000   0.04000   0.01650
P   0.33333   0.66667   0.71730   1.00000   0.01420
O1   0.37060   0.18530   0.20480   1.00000   0.04280
O2   0.33333   0.66667   0.50230   1.00000   0.03650
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
BaM1 0.05350 0.05350 0.01450 0.02680 0.00000 0.00000
SrM1 0.05350 0.05350 0.01450 0.02680 0.00000 0.00000
NaM2 0.02470 0.02470 0.01770 0.01230 0.00000 0.00000
SrM2 0.02470 0.02470 0.01770 0.01230 0.00000 0.00000
CeM2 0.02470 0.02470 0.01770 0.01230 0.00000 0.00000
LaM2 0.02470 0.02470 0.01770 0.01230 0.00000 0.00000
NaM3 0.01700 0.01730 0.01490 0.00870 0.00000 0.00000
CaM3 0.01700 0.01730 0.01490 0.00870 0.00000 0.00000
P 0.01500 0.01500 0.01260 0.00750 0.00000 0.00000
O1 0.02550 0.04990 0.04480 0.01270 -0.01940 -0.00970
O2 0.04700 0.04700 0.01600 0.02340 0.00000 0.00000