data_global
_chemical_name_mineral 'Seidozerite'
loop_
_publ_author_name
'Christiansen C C'
'Johnsen O'
'Makovicky E'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 41 
_journal_year 2003
_journal_page_first 1203
_journal_page_last 1224
_publ_section_title
;
 Crystal chemistry of the rosenbuschite group
 Sample: 1993.158
;
_database_code_amcsd 0005888
_chemical_compound_source 'Lovozero Complex, Kola Peninsula, Russia'
_chemical_formula_sum 'Zr1.38 Ti1.36 Fe.32 Mg.305 Nb.04 Mn.425 Ca.26 Na3.91 Si4 O15 F3'
_cell_length_a 5.5558
_cell_length_b 7.0752
_cell_length_c 18.406
_cell_angle_alpha 90
_cell_angle_beta 102.713
_cell_angle_gamma 90
_cell_volume 705.773
_exptl_crystal_density_diffrn      3.543
_symmetry_space_group_name_H-M 'P 1 2/c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,-y,1/2+z'
  '-x,y,1/2-z'
  '-x,-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
ZrM1   0.19770   0.11864   0.07405   0.69000   0.00850
TiM1   0.19770   0.11864   0.07405   0.19000   0.00850
FeM1   0.19770   0.11864   0.07405   0.09000   0.00850
MgM1   0.19770   0.11864   0.07405   0.02000   0.00850
NbM1   0.19770   0.11864   0.07405   0.01000   0.00850
MnM2a   0.50000   0.35047   0.25000   0.42500   0.01210
MgM2a   0.50000   0.35047   0.25000   0.26500   0.01210
FeM2a   0.50000   0.35047   0.25000   0.14000   0.01210
CaM2a   0.50000   0.35047   0.25000   0.11500   0.01210
NaM2a   0.50000   0.35047   0.25000   0.05500   0.01210
NaM2b   0.50000   0.85020   0.25000   0.93500   0.01880
CaM2b   0.50000   0.85020   0.25000   0.06500   0.01880
NaM3   0.20200   0.61240   0.06966   0.96000   0.01620
CaM3   0.20200   0.61240   0.06966   0.04000   0.01620
NaM4   0.00000   0.61050   0.25000   1.00000   0.01570
TiM5   0.00000   0.11058   0.25000   0.98000   0.00930
NbM5   0.00000   0.11058   0.25000   0.02000   0.00930
Si1   0.72280   0.38351   0.10434   1.00000   0.00870
Si2   0.71870   0.84173   0.10434   1.00000   0.00830
O1   0.73370   0.61290   0.10876   1.00000   0.01720
O2   0.92650   0.32110   0.05873   1.00000   0.01190
O3   0.90220   0.91020   0.05111   1.00000   0.01130
O4   0.44390   0.31880   0.06562   1.00000   0.01420
O5   0.43530   0.90370   0.07700   1.00000   0.01390
O6   0.78730   0.31090   0.19029   1.00000   0.01270
O7   0.82010   0.91360   0.18927   1.00000   0.01300
OX8   0.23640   0.12670   0.18400   0.50000   0.01340
FX8   0.23640   0.12670   0.18400   0.50000   0.01340
F9   0.30520   0.57670   0.19223   1.00000   0.02240