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#$Date: 2013-05-05 17:21:46 +0300 (Sun, 05 May 2013) $
#$Revision: 85285 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/01/37/9013732.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided the American Mineralogist Crystal Structure Database,
# http://rruff.geo.arizona.edu/AMS/amcsd.php
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_9013732
loop_
_publ_author_name
'Drits, V. A.'
'Zviagina, B. B.'
'McCarty, D. K.'
'Salyn, A. L.'
_publ_section_title
;
 Factors responsible for crystal-chemical variations in the solid solutions
 from illite to aluminoceladonite and from glauconite to celadonite
 Locality: Athabasca basement; Saskatchewan, Canada
 Sample Name: 10564
;
_journal_name_full               'American Mineralogist'
_journal_page_first              348
_journal_page_last               361
_journal_volume                  95
_journal_year                    2010
_chemical_formula_sum            'Al2 H2 K O12 Si4'
_chemical_name_mineral           Illite
_space_group_IT_number           5
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 1'
_cell_angle_alpha                90
_cell_angle_beta                 99.00
_cell_angle_gamma                90
_cell_length_a                   5.1973
_cell_length_b                   8.999
_cell_length_c                   10.147
_cell_volume                     468.737
_exptl_crystal_density_diffrn    2.830
_[local]_cod_chemical_formula_sum_orig 'K Al2 Si4 O12 H2'
_cod_database_code               9013732
loop_
_symmetry_equiv_pos_as_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
K 0.50000 0.65280 0.50000
Al1 0.50000 0.16670 0.00000
Al2 0.00000 0.33330 0.00000
Si1 0.43330 0.99210 0.26920
Si2 0.91850 0.82050 0.26920
O1 0.41520 0.99860 0.10630
O2 0.34320 0.30790 0.10630
O3 0.99580 0.65710 0.33430
O4 0.15850 0.93710 0.31290
O5 0.66960 0.88170 0.33430
O-H 0.84080 0.19000 0.10080