#------------------------------------------------------------------------------
#$Date: 2024-04-18 18:56:43 +0300 (Thu, 18 Apr 2024) $
#$Revision: 291269 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/00/12/9001265.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_9001265
loop_
_publ_author_name
'Brigatti, M. F.'
'Davoli, P.'
_publ_section_title
;
 Crystal-structure refinement of 1M plutonic biotites
 sample M32 from a syenite in the Valle del Cervo pluton
;
_journal_name_full               'American Mineralogist'
_journal_page_first              305
_journal_page_last               313
_journal_volume                  75
_journal_year                    1990
_chemical_formula_sum            'Al Fe H2 K Mg2 O12 Si3'
_chemical_name_mineral           Biotite
_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                 100.02
_cell_angle_gamma                90
_cell_length_a                   5.346
_cell_length_b                   9.252
_cell_length_c                   10.238
_cell_formula_units_Z            2
_cell_volume                     498.660
_database_code_amcsd             0001295
_exptl_crystal_density_diffrn    2.989
_cod_original_formula_sum        'Fe Mg2 K (Al Si3) O12 H2'
_cod_database_code               9001265
loop_
_space_group_symop_operation_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
Fe1 0.00000 0.00000 0.50000 1.00000
Mg2 0.00000 0.33400 0.50000 1.00000
K 0.00000 0.50000 0.00000 1.00000
Al 0.07520 0.16740 0.22620 0.25000
Si 0.07520 0.16740 0.22620 0.75000
O1 0.02360 0.00000 0.16810 1.00000
O2 0.32210 0.23390 0.16950 1.00000
O3 0.13080 0.16730 0.39100 1.00000
O4 0.12930 0.50000 0.39600 1.00000
H 0.01000 0.50000 0.31500 1.00000
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0001295
