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(9) Potassium-fluor-richterite
;
_database_code_amcsd 0006445
_chemical_formula_sum 'O22.532 F1.466 K.996 Ti.419 Fe.3 Mg4.65 Mn.005 Ca1.02 Na.934 Si7.536 Al.064 H.532'
_cell_length_a 10.025
_cell_length_b 18.034
_cell_length_c 5.286
_cell_angle_alpha 90
_cell_angle_beta 104.98
_cell_angle_gamma 90
_cell_volume 923.183
_exptl_crystal_density_diffrn      3.071
_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   0.08540   0.22020   1.00000   0.00671
O2   0.11710   0.16940   0.72580   1.00000   0.00849
O-H3   0.10210   0.00000   0.71510   0.26600   0.07320
F   0.10210   0.00000   0.71510   0.73300   0.07320
O4   0.36080   0.24850   0.79850   1.00000   0.01330
O5   0.34400   0.13000   0.10010   1.00000   0.01191
O6   0.34080   0.11760   0.59550   1.00000   0.01191
O7   0.33320   0.00000   0.30660   1.00000   0.00963
KA   0.00000   0.50000   0.00000   0.33200   0.78524
KAm   0.02830   0.50000   0.06520   0.33200   0.77929
TiM1   0.00000   0.08860   0.50000   0.00700   0.08435
FeM1   0.00000   0.08860   0.50000   0.06000   0.08435
MgM1   0.00000   0.08860   0.50000   0.93000   0.05902
MnM1   0.00000   0.08860   0.50000   0.00100   0.07168
TiM2   0.00000   0.17910   0.00000   0.00700   0.08422
FeM2   0.00000   0.17910   0.00000   0.06000   0.08422
MgM2   0.00000   0.17910   0.00000   0.93000   0.05889
MnM2   0.00000   0.17910   0.00000   0.00100   0.07156
TiM3   0.00000   0.00000   0.00000   0.00700   0.08296
FeM3   0.00000   0.00000   0.00000   0.06000   0.08296
MgM3   0.00000   0.00000   0.00000   0.93000   0.05763
MnM3   0.00000   0.00000   0.00000   0.00100   0.07029
CaM4   0.00000   0.27800   0.50000   0.51000   0.64605
NaM4   0.00000   0.27800   0.50000   0.46700   0.64605
SiT1   0.27590   0.08480   0.30340   0.94200   0.10715
AlT1   0.27590   0.08480   0.30340   0.00800   0.10715
TiT1   0.27590   0.08480   0.30340   0.04800   0.06915
SiT2   0.28450   0.17180   0.80870   0.94200   0.10753
AlT2   0.28450   0.17180   0.80870   0.00800   0.10753
TiT2   0.28450   0.17180   0.80870   0.04800   0.06953