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#$Date: 2014-07-12 11:06:43 +0300 (Sat, 12 Jul 2014) $
#$Revision: 120115 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/01/37/9013720.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_9013720
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: Kaube Mine, Nara Prefecture, Japan
 Sample Name: Silver Hill
;
_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           12
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 1'
_cell_angle_alpha                90
_cell_angle_beta                 101.5
_cell_angle_gamma                90
_cell_length_a                   5.208
_cell_length_b                   9.020
_cell_length_c                   10.166
_cell_volume                     467.972
_exptl_crystal_density_diffrn    2.835
_[local]_cod_chemical_formula_sum_orig 'K Al2 Si4 O12 H2'
_cod_original_cell_volume        467.973
_cod_database_code               9013720
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
-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 0.00000 0.50000 0.50000
Al 0.50000 0.16670 0.00000
Si 0.41910 0.32910 0.27100
O1 0.35160 0.31240 0.10820
O2 0.48810 0.50000 0.31820
O3 0.67510 0.22990 0.33610
O-H 0.41860 0.00000 0.10350
_journal_paper_doi 10.2138/am.2010.3300