#------------------------------------------------------------------------------
#$Date: 2008-01-14 00:15:36 +0200 (Mon, 14 Jan 2008) $
#$Revision: 14 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9000784.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_9000784
_chemical_name 'Albite'
loop_
_publ_author_name
'Harlow G E'
'Brown G E'
_journal_name_full "American Mineralogist"
_journal_volume 65
_journal_year 1980
_journal_page_first 986
_journal_page_last 995
_publ_section_title
;
 Low albite: An X-Ray and neutron diffraction study
 Sample: X-ray split Na site
 Note: this sample of feldspar is from Amelia, Virginia
;
_chemical_formula_sum 'Al.502 Si1.497 Na O4'
_cell_length_a 8.142
_cell_length_b 12.785
_cell_length_c 7.159
_cell_angle_alpha 94.19
_cell_angle_beta 116.61
_cell_angle_gamma 87.68
_cell_volume 664.477
_symmetry_space_group_name_H-M 'C -1'
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
_atom_site_occupancy
Al1o   0.00878   0.16864   0.20805   0.97000
Si1o   0.00878   0.16864   0.20805   0.03000
Si1m   0.00382   0.82064   0.23734   0.96500
Al1m   0.00382   0.82064   0.23734   0.03500
Si2o   0.69210   0.11040   0.31507   1.00000
Si2m   0.68175   0.88189   0.36071   1.00000
Na2   0.27033   0.97800   0.16219   1.00000
Na3   0.26617   0.00103   0.12793   1.00000
Oa1   0.00481   0.12120   0.96610   1.00000
Oa2   0.59166   0.99766   0.27967   1.00000
Obo   0.81285   0.11039   0.19124   1.00000
Obm   0.82061   0.85121   0.25942   1.00000
Oco   0.01348   0.30276   0.27023   1.00000
Ocm   0.02402   0.69390   0.22938   1.00000
Odo   0.20765   0.10922   0.38898   1.00000
Odm   0.18316   0.86825   0.43555   1.00000