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(1) Fluor-richterite
;
_database_code_amcsd 0006438
_chemical_formula_sum 'O22.837 F1.163 Na1.168 K.266 Ti.036 Fe.266 Mg4.696 Mn.013 Ca1.393 Si7.629 Al.358 H.837'
_cell_length_a 9.884
_cell_length_b 18.005
_cell_length_c 5.274
_cell_angle_alpha 90
_cell_angle_beta 104.65
_cell_angle_gamma 90
_cell_volume 908.055
_exptl_crystal_density_diffrn      3.061
_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   0.11110   0.08530   0.21870   1.00000   0.00646
O2   0.11900   0.16980   0.72620   1.00000   0.00697
O3   0.10530   0.00000   0.71400   0.41850   0.00823
F   0.10530   0.00000   0.71400   0.58150   0.00823
O4   0.36300   0.24870   0.79350   1.00000   0.00925
O5   0.34690   0.13260   0.09700   1.00000   0.01013
O6   0.34360   0.11730   0.59330   1.00000   0.00925
O7   0.33930   0.00000   0.29290   1.00000   0.01089
NaA   0.00000   0.50000   0.00000   0.30400   0.05560
KA   0.00000   0.50000   0.00000   0.13300   0.05560
NaAm   0.03680   0.50000   0.08110   0.15200   0.03825
KAm   0.03680   0.50000   0.08110   0.06650   0.03825
TiM1   0.00000   0.08860   0.50000   0.00470   0.00608
FeM1   0.00000   0.08860   0.50000   0.05330   0.00608
MgM1   0.00000   0.08860   0.50000   0.93930   0.00608
MnM1   0.00000   0.08860   0.50000   0.00260   0.00608
TiM2   0.00000   0.17810   0.00000   0.00470   0.00595
FeM2   0.00000   0.17810   0.00000   0.05330   0.00595
MgM2   0.00000   0.17810   0.00000   0.93930   0.00595
MnM2   0.00000   0.17810   0.00000   0.00260   0.00595
TiM3   0.00000   0.00000   0.00000   0.00470   0.00570
FeM3   0.00000   0.00000   0.00000   0.05330   0.00570
MgM3   0.00000   0.00000   0.00000   0.93930   0.00570
MnM3   0.00000   0.00000   0.00000   0.00260   0.00570
CaM4   0.00000   0.27740   0.50000   0.69650   0.01127
NaM4   0.00000   0.27740   0.50000   0.28000   0.01127
SiT1   0.27930   0.08450   0.29780   0.95360   0.00481
AlT1   0.27930   0.08450   0.29780   0.04480   0.00481
TiT1   0.27930   0.08450   0.29780   0.00160   0.00481
SiT2   0.28750   0.17140   0.80460   0.95360   0.00481
AlT2   0.28750   0.17140   0.80460   0.04480   0.00481
TiT2   0.28750   0.17140   0.80460   0.00160   0.00481
H   0.19830   0.00000   0.79110   0.41850   0.00507