#------------------------------------------------------------------------------
#$Date: 2008-01-14 00:15:36 +0200 (Mon, 14 Jan 2008) $
#$Revision: 14 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9001548.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_9001548
_chemical_name 'Amphibole'
loop_
_publ_author_name
'Oberti R'
'Ungaretti L'
'Cannillo E'
'Hawthorne F C'
_journal_name_full "American Mineralogist"
_journal_volume 78
_journal_year 1993
_journal_page_first 746
_journal_page_last 752
_publ_section_title
;
 The mechanism of Cl incorporation in amphibole
 Sample: Cl(0)
 Locality: Nuptse Glacier moraine, Everest Massif, Nepal
;
_chemical_formula_sum 'Na1.56 K1.9 Mg1.8 Fe2.76 Al2.3 Ti.06 Ca1.94 Si6.08 O23.74
_cell_length_a 9.895
_cell_length_b 18.119
_cell_length_c 5.332
_cell_angle_alpha 90
_cell_angle_beta 105.17
_cell_angle_gamma 90
_cell_volume 922.649
_symmetry_space_group_name_H-M 'C 1 2/m 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'
  '-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
_atom_site_Uiso_or_equiv
Na4   0.00000   0.28080   0.50000   0.03000   0.00950
NaA   0.00000   0.50000   0.00000   0.30000   0.02786
KA   0.00000   0.50000   0.00000   0.38000   0.02786
NaAm   0.03360   0.50000   0.07340   0.30000   0.02204
KAm   0.03360   0.50000   0.07340   0.38000   0.02204
NaA2   0.00000   0.47140   0.00000   0.30000   0.05129
KA2   0.00000   0.47140   0.00000   0.38000   0.05129
Mg1   0.00000   0.08970   0.50000   0.46000   0.00735
Fe1   0.00000   0.08970   0.50000   0.54000   0.00735
Mg2   0.00000   0.17800   0.00000   0.27000   0.00633
Fe2   0.00000   0.17800   0.00000   0.51000   0.00633
Al2   0.00000   0.17800   0.00000   0.19000   0.00633
Ti2   0.00000   0.17800   0.00000   0.03000   0.00633
Mg3   0.00000   0.00000   0.00000   0.34000   0.00671
Fe3   0.00000   0.00000   0.00000   0.66000   0.00671
Ca4   0.00000   0.28080   0.50000   0.97000   0.00950
Si1   0.27910   0.08600   0.30260   0.52000   0.00570
Al1   0.27910   0.08600   0.30260   0.48000   0.00570
Si2   0.29110   0.17320   0.81400   1.00000   0.00583
O1   0.10510   0.09110   0.21410   1.00000   0.01001
O2   0.11990   0.17560   0.73580   1.00000   0.00887
F3   0.10970   0.00000   0.71200   0.13000   0.01064
O-H3   0.10970   0.00000   0.71200   0.87000   0.01064
O4   0.36860   0.24990   0.79240   1.00000   0.01039
O5   0.34900   0.13920   0.10870   1.00000   0.01102
O6   0.34260   0.11950   0.60460   1.00000   0.01153
O7   0.33360   0.00000   0.28870   1.00000   0.01532
H   0.15790   0.00000   0.76030   1.00000   0.01938