data_global
_chemical_name_mineral 'Marialite'
loop_
_publ_author_name
'Antao S M'
'Hassan I'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 46 
_journal_year 2008
_journal_page_first 1577
_journal_page_last 1591
_publ_section_title
;
 Increase in Al-Si and Na-Ca disorder with temperature in scapolite Me32.9
 Note: T = 801 C
 Note: 32.9% Meionite, 67.1% Marialite
;
_database_code_amcsd 0006241
_chemical_compound_source 'Monmouth Township, Ontario, Canada'
_chemical_formula_sum '(Ca1.24 Na2.76) Si8.44 Al3.56 O28 (C.24 Cl.76)'
_cell_length_a 12.1844
_cell_length_b 12.1844
_cell_length_c 7.5799
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1125.309
_exptl_crystal_density_diffrn      2.727
_symmetry_space_group_name_H-M 'P 42/n'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'y,1/2-x,1/2-z'
  '-y,1/2+x,1/2+z'
  '1/2+x,1/2+y,-z'
  '1/2-x,1/2-y,z'
  '1/2-y,x,1/2-z'
  '1/2+y,-x,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
Ca   0.61760   0.54260   0.75570   0.31000   0.08400
Na   0.61760   0.54260   0.75570   0.69000   0.08400
Si1   0.58740   0.66330   0.25470   1.00000   0.02910
Al2   0.91100   0.16900   0.05510   0.87000   0.02910
Si2   0.91100   0.16900   0.05510   0.13000   0.02910
Al3   0.66960   0.08860   0.96030   0.02000   0.02910
Si3   0.66960   0.08860   0.96030   0.98000   0.02910
O1   0.70790   0.60810   0.24780   1.00000   0.04400
O2   0.94440   0.13650   0.26950   1.00000   0.04400
O3   0.59380   0.18680   0.02580   1.00000   0.04400
O4   0.79780   0.10680   0.97440   1.00000   0.04400
O5   0.51860   0.62170   0.08660   1.00000   0.04400
O6   0.63610   0.98020   0.07500   1.00000   0.04400
O7   0.84070   0.69040   0.75200   1.00000   0.14100
C   0.75000   0.75000   0.75000   0.24000   0.14100
Cl   0.75000   0.75000   0.75000   0.76000   0.14100