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#$Date: 2008-01-14 00:15:36 +0200 (Mon, 14 Jan 2008) $
#$Revision: 14 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9001259.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_9001259
_chemical_name 'Anorthite'
loop_
_publ_author_name
'Angel R J'
'Carpenter M A'
'Finger L W'
_journal_name_full "American Mineralogist"
_journal_volume 75
_journal_year 1990
_journal_page_first 150
_journal_page_last 162
_publ_section_title
;
 Structural variation associated with compositional variation and order-disorder
 behavior in anorthite-rich feldspars
 sample from Monte Somma
;
_chemical_formula_sum 'Si2 Al2 Ca O8'
_cell_length_a 8.1796
_cell_length_b 12.8747
_cell_length_c 14.172
_cell_angle_alpha 93.134
_cell_angle_beta 115.885
_cell_angle_gamma 91.236
_cell_volume 1338.993
_symmetry_space_group_name_H-M 'P -1'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Si1ooo   0.00943   0.15921   0.10431
Si1ooi   0.50642   0.65607   0.60405
Al1ozo   0.00686   0.16144   0.61159
Al1ozi   0.49873   0.66584   0.11241
Al1moo   0.99183   0.81512   0.11768
Al1moi   0.50729   0.31446   0.62106
Si1mzo   0.00562   0.81555   0.61318
Si1mzi   0.50475   0.31999   0.11010
Al2ooo   0.68550   0.11328   0.15213
Al2ooi   0.19092   0.61128   0.66670
Si2ozo   0.68167   0.10381   0.66452
Si2ozi   0.17104   0.60662   0.14988
Si2moo   0.67387   0.88314   0.18747
Si2moi   0.17684   0.37946   0.67384
Al2mzo   0.68135   0.87236   0.67340
Al2mzi   0.18644   0.37727   0.18105
Caooo   0.26590   0.98670   0.08640
Cazoo   0.26830   0.03100   0.54320
Caoio   0.77360   0.53530   0.54210
Cazio   0.76390   0.50730   0.07260
Oa1oo   0.02420   0.12420  -0.00510
Oa1oi   0.49120   0.62510   0.48700
Oa1zo   0.97970   0.12520   0.48320
Oa1zi   0.51760   0.62490   0.99680
Oa2oo   0.57600   0.99020   0.14260
Oa2oi   0.07300   0.48810   0.63450
Oa2zo   0.57280   0.98930   0.63730
Oa2zi   0.07260   0.49240   0.13910
Obooo   0.81430   0.10110   0.08030
Obooi   0.33050   0.59640   0.60340
Obozo   0.81200   0.09750   0.60580
Obozi   0.28710   0.60390   0.08110
Obmoo   0.81710   0.85480   0.14240
Obmoi   0.29840   0.35630   0.61160
Obmzo   0.81110   0.85230   0.60410
Obmzi   0.34140   0.35820   0.13230
Ocooo   0.01640   0.28010   0.13680
Ocooi   0.50840   0.77680   0.63440
Ocozo   0.02010   0.28990   0.64770
Ocozi   0.50870   0.79650   0.14990
Ocmoo   0.00000   0.68000   0.10380
Ocmoi   0.51680   0.17930   0.61040
Ocmzo   0.00840   0.68850   0.60060
Ocmzi   0.50710   0.19590   0.09760
Odooo   0.18320   0.10620   0.19220
Odooi   0.70120   0.60790   0.68000
Odozo   0.21360   0.10250   0.68400
Odozi   0.69350   0.60430   0.20130
Odmoo   0.20380   0.87320   0.21080
Odmoi   0.69000   0.36360   0.73170
Odmzo   0.17420   0.85690   0.71830
Odmzi   0.69920   0.36920   0.19830