data_global
_chemical_name_mineral 'Siderophyllite'
loop_
_publ_author_name
'Redhammer G J'
'Roth G'
_journal_name_full 'American Mineralogist'
_journal_volume 87 
_journal_year 2002
_journal_page_first 1464
_journal_page_last 1476
_publ_section_title
;
 Single-crystal structure refinements and crystal chemistry of
 synthetic trioctahedral micas KM3(Al,Si)4O10(OH)2, where
 M = Ni, Mg, Co, Fe, Al
 Sample: Sd87#4
;
_database_code_amcsd 0002927
_chemical_formula_sum 'Al2.54 Si2.28 Fe2.38 K O12 H2'
_cell_length_a 5.3649
_cell_length_b 9.2892
_cell_length_c 10.2698
_cell_angle_alpha 90
_cell_angle_beta 100.242
_cell_angle_gamma 90
_cell_volume 503.647
_exptl_crystal_density_diffrn      3.288
_symmetry_space_group_name_H-M 'C 1 2/m 1'
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
_atom_site_U_iso_or_equiv
AlT   0.57595   0.16683   0.22658   0.43000   0.00735
SiT   0.57595   0.16683   0.22658   0.57000   0.00735
FeM1   0.00000   0.50000   0.50000   0.80000   0.00633
AlM1   0.00000   0.50000   0.50000   0.20000   0.00633
FeM2   0.00000   0.83139   0.50000   0.79000   0.00621
AlM2   0.00000   0.83139   0.50000   0.31000   0.00621
K   0.00000   0.00000   0.00000   1.00000   0.02710
O1   0.83672   0.22050   0.17265   1.00000   0.01925
O2   0.49960   0.00000   0.17334   1.00000   0.01912
O3   0.63333   0.16776   0.39449   1.00000   0.01482
O4   0.12691   0.00000   0.39857   1.00000   0.01760
H   0.10000   0.00000   0.30100   1.00000   0.02976
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
AlT 0.00720 0.00690 0.00780 -0.00040 0.00110 -0.00040
SiT 0.00720 0.00690 0.00780 -0.00040 0.00110 -0.00040
FeM1 0.00550 0.00460 0.00930 0.00000 0.00190 0.00000
AlM1 0.00550 0.00460 0.00930 0.00000 0.00190 0.00000
FeM2 0.00460 0.00490 0.00910 0.00000 0.00110 0.00000
AlM2 0.00460 0.00490 0.00910 0.00000 0.00110 0.00000
K 0.03050 0.02980 0.02040 0.00000 0.00280 0.00000
O1 0.01750 0.02230 0.01840 -0.00180 0.00440 -0.00490
O2 0.02340 0.01460 0.01760 0.00000 -0.00120 0.00000
O3 0.01750 0.01700 0.00950 0.00030 0.00120 0.00040
O4 0.01700 0.02560 0.00990 0.00000 0.00100 0.00000