#------------------------------------------------------------------------------
#$Date: 2010-06-10 18:11:07 +0300 (Thu, 10 Jun 2010) $
#$Revision: 1210 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9003097.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_9003097
loop_
_publ_author_name
'Gunter, M. E.'
'Dyar, M. D.'
'Twamley, B.'
'Foit, F. F.'
'Cornelius, S.'
_publ_section_title
;
 Composition, Fe3+/Sum(Fe), and crystal structure of non-asbestiform and
 asbestiform amphiboles from Libby, Montana, U.S.A.
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1970
_journal_page_last               1978
_journal_volume                  88
_journal_year                    2003
_chemical_formula_sum
'Al0.06 Ca1.12 Fe0.52 H2 K0.2 Mg4.46 Mn0.04 Na1.12 O24 Si7.96'
_chemical_name_mineral           Richterite
_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                 104.377
_cell_angle_gamma                90
_cell_length_a                   9.8787
_cell_length_b                   18.024
_cell_length_c                   5.2875
_cell_volume                     911.975
_exptl_crystal_density_diffrn    3.020
_[local]_cod_chemical_formula_sum_orig
'Si7.96 Al.06 Mg4.46 Fe.52 Mn.04 Ca1.12 Na1.12 K.2 O24 H2'
_cod_database_code               9003097
_amcsd_database_code             AMCSD#0003185
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_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
SiT(1) 0.01500 0.01100 0.00800 0.00000 0.00500 -0.00100
AlT(1) 0.01500 0.01100 0.00800 0.00000 0.00500 -0.00100
SiT(2) 0.01500 0.01200 0.00700 -0.00100 0.00400 0.00000
AlT(2) 0.01500 0.01200 0.00700 -0.00100 0.00400 0.00000
MgM(1) 0.01300 0.00900 0.00500 0.00000 0.00300 0.00000
AlM(1) 0.01300 0.00900 0.00500 0.00000 0.00300 0.00000
MgM(2) 0.01200 0.01100 0.00700 0.00000 0.00400 0.00000
FeM(2) 0.01200 0.01100 0.00700 0.00000 0.00400 0.00000
MgM(3) 0.02600 0.02000 0.01600 0.00000 0.00700 0.00000
FeM(3) 0.02600 0.02000 0.01600 0.00000 0.00700 0.00000
MnM(4) 0.02400 0.01600 0.01800 0.00000 0.01200 0.00000
CaM(4) 0.02400 0.01600 0.01800 0.00000 0.01200 0.00000
NaM(4) 0.02400 0.01600 0.01800 0.00000 0.01200 0.00000
NaA 0.12700 0.05800 0.18800 0.00000 0.14700 0.00000
KA 0.12700 0.05800 0.18800 0.00000 0.14700 0.00000
O(1) 0.01700 0.01300 0.00800 -0.00100 0.00400 -0.00100
O(2) 0.01700 0.01500 0.01100 -0.00100 0.00500 -0.00100
O(3) 0.01800 0.01600 0.01000 0.00000 0.00600 0.00000
O(4) 0.02000 0.01500 0.00900 -0.00400 0.00500 -0.00100
O(5) 0.01800 0.01800 0.01000 0.00000 0.00500 0.00400
O(6) 0.01700 0.01500 0.01100 -0.00100 0.00400 -0.00200
O(7) 0.01300 0.01600 0.01600 0.00000 0.00400 0.00000
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
SiT(1) 0.27910 0.08480 0.29600 0.99500 0.01100
AlT(1) 0.27910 0.08480 0.29600 0.00500 0.01100
SiT(2) 0.28720 0.17140 0.80310 0.99500 0.01100
AlT(2) 0.28720 0.17140 0.80310 0.00500 0.01100
MgM(1) 0.00000 0.08860 0.50000 0.99000 0.00900
AlM(1) 0.00000 0.08860 0.50000 0.01000 0.00900
MgM(2) 0.00000 0.17960 0.00000 0.82000 0.01000
FeM(2) 0.00000 0.17960 0.00000 0.18000 0.01000
MgM(3) 0.00000 0.00000 0.00000 0.84000 0.02000
FeM(3) 0.00000 0.00000 0.00000 0.16000 0.02000
MnM(4) 0.00000 0.27720 0.50000 0.02000 0.01800
CaM(4) 0.00000 0.27720 0.50000 0.56000 0.01800
NaM(4) 0.00000 0.27720 0.50000 0.42000 0.01800
NaA 0.00000 0.50000 0.00000 0.28000 0.10500
KA 0.00000 0.50000 0.00000 0.20000 0.10500
O(1) 0.11130 0.08650 0.21660 1.00000 0.01300
O(2) 0.11860 0.17020 0.72690 1.00000 0.01400
O(3) 0.10810 0.00000 0.71380 1.00000 0.01400
O(4) 0.36340 0.24870 0.79560 1.00000 0.01500
O(5) 0.34590 0.13150 0.09220 1.00000 0.01500
O(6) 0.34190 0.11820 0.58770 1.00000 0.01400
O(7) 0.33640 0.00000 0.29350 1.00000 0.01600
H 0.21480 0.00000 0.77500 1.00000 0.03000