#------------------------------------------------------------------------------
#$Date: 2008-01-26 15:05:32 +0200 (Sat, 26 Jan 2008) $
#$Revision: 19 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9001607.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_9001607
_chemical_name 'Ferri-eckermannite'
loop_
_publ_author_name
'Hawthorne F C'
'Ungaretti L'
'Oberti R'
'Cannillo E'
_journal_name_full "American Mineralogist"
_journal_volume 79
_journal_year 1994
_journal_page_first 443
_journal_page_last 451
_publ_section_title
;
 The mechanism of Li incorporation in amphiboles
 Sample: A5
;
_chemical_formula_sum 'Si7.92 Al.16 Mg3.34 Fe1.174 Mn.126 Ti.04 Li.24 Na2.45 Ca.
_cell_length_a 9.779
_cell_length_b 17.888
_cell_length_c 5.287
_cell_angle_alpha 90
_cell_angle_beta 103.85
_cell_angle_gamma 90
_cell_volume 897.949
_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
Si1   0.28020   0.08570   0.29320   0.99000   0.00507
Al1   0.28020   0.08570   0.29320   0.01000   0.00507
Si2   0.28840   0.17130   0.80160   0.99000   0.00532
Al2   0.28840   0.17130   0.80160   0.01000   0.00532
Mg1   0.00000   0.08770   0.50000   0.93000   0.00709
Al1   0.00000   0.08770   0.50000   0.04000   0.00709
Fe1   0.00000   0.08770   0.50000   0.02700   0.00709
Mn1   0.00000   0.08770   0.50000   0.00300   0.00709
Mg2   0.00000   0.18070   0.00000   0.36000   0.00595
Ti2   0.00000   0.18070   0.00000   0.02000   0.00595
Fe2   0.00000   0.18070   0.00000   0.56000   0.00595
Mn2   0.00000   0.18070   0.00000   0.06000   0.00595
Li3   0.00000   0.00000   0.00000   0.24000   0.00697
Mg3   0.00000   0.00000   0.00000   0.76000   0.00697
Na4   0.00000   0.27640   0.50000   0.95000   0.01355
Ca4   0.00000   0.27640   0.50000   0.05000   0.01355
NaA   0.00000   0.50000   0.00000   0.11000   0.05522
KA   0.00000   0.50000   0.00000   0.04000   0.05522
NaAm   0.04790   0.50000   0.10140   0.11000   0.03559
KAm   0.04790   0.50000   0.10140   0.04000   0.03559
NaA2   0.00000   0.46540   0.00000   0.11000   0.04876
KA2   0.00000   0.46540   0.00000   0.04000   0.04876
H   0.17390   0.00000   0.74370   1.00000   0.02001
O1   0.11110   0.08820   0.21420   1.00000   0.00697
O2   0.11820   0.16930   0.73180   1.00000   0.00760
O-h3   0.10910   0.00000   0.70750   0.79000   0.00975
F3   0.10910   0.00000   0.70750   0.21000   0.00975
O4   0.36270   0.25030   0.79960   1.00000   0.00975
O5   0.34920   0.12940   0.08490   1.00000   0.00937
O6   0.34260   0.11930   0.58360   1.00000   0.00912
O7   0.33690   0.00000   0.29560   1.00000   0.01077