data_global
_chemical_name_mineral 'Richterite'
loop_
_publ_author_name
'Oberti R'
'Ungaretti L'
'Cannillo E'
'Hawthorne F C'
_journal_name_full 'European Journal of Mineralogy'
_journal_volume 4 
_journal_year 1992
_journal_page_first 425
_journal_page_last 439
_publ_section_title
;
 The behaviour of Ti in amphiboles: I. Four- and six-coordinate Ti in richterite
 Sample: R(12) Potassium-fluor-richterite
 Note: z-coordinate of O2 corrected
;
_database_code_amcsd 0006446
_chemical_formula_sum 'O24 K.969 Ti.388 Fe.323 Mg4.641 Mn.005 Ca1.053 Na.919 Si7.565 Al.077 H2'
_cell_length_a 10.028
_cell_length_b 18.039
_cell_length_c 5.289
_cell_angle_alpha 90
_cell_angle_beta 105.04
_cell_angle_gamma 90
_cell_volume 923.980
_exptl_crystal_density_diffrn      3.060
_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
O1   0.11030   0.08530   0.22030   1.00000   0.00646
O2   0.11690   0.16950   0.72580   1.00000   0.00836
O-H3   0.10210   0.00000   0.71520   2.00000   0.00899
O4   0.36110   0.24850   0.79900   1.00000   0.01381
O5   0.34410   0.13020   0.10110   1.00000   0.01229
O6   0.34060   0.11750   0.59580   1.00000   0.01216
O7   0.33350   0.00000   0.30700   1.00000   0.01001
KA   0.00000   0.50000   0.00000   0.32300   0.03052
KAm   0.02690   0.50000   0.05980   0.32300   0.03166
TiM1   0.00000   0.08850   0.50000   0.00600   0.00773
FeM1   0.00000   0.08850   0.50000   0.06460   0.00773
MgM1   0.00000   0.08850   0.50000   0.92830   0.00773
MnM1   0.00000   0.08850   0.50000   0.00100   0.00773
TiM2   0.00000   0.17890   0.00000   0.00600   0.00785
FeM2   0.00000   0.17890   0.00000   0.06460   0.00785
MgM2   0.00000   0.17890   0.00000   0.92830   0.00785
MnM2   0.00000   0.17890   0.00000   0.00100   0.00785
TiM3   0.00000   0.00000   0.00000   0.00600   0.00621
FeM3   0.00000   0.00000   0.00000   0.06460   0.00621
MgM3   0.00000   0.00000   0.00000   0.92830   0.00621
MnM3   0.00000   0.00000   0.00000   0.00100   0.00621
CaM4   0.00000   0.27810   0.50000   0.52650   0.01203
NaM4   0.00000   0.27810   0.50000   0.45950   0.01203
SiT1   0.27590   0.08480   0.30380   0.94560   0.00583
AlT1   0.27590   0.08480   0.30380   0.00960   0.00583
TiT1   0.27590   0.08480   0.30380   0.04470   0.00583
SiT2   0.28450   0.17180   0.80930   0.94560   0.00608
AlT2   0.28450   0.17180   0.80930   0.00960   0.00608
TiT2   0.28450   0.17180   0.80930   0.04470   0.00608