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(6) Potassium-fluor-richterite
;
_database_code_amcsd 0006442
_chemical_formula_sum 'O23.281 (F.719 Na1.199) K.777 Ti.672 Fe.543 Mg3.964 Mn.016 Ca.97 Si7.72 Al.085 H1.281'
_cell_length_a 9.950
_cell_length_b 18.035
_cell_length_c 5.284
_cell_angle_alpha 90
_cell_angle_beta 104.76
_cell_angle_gamma 90
_cell_volume 916.915
_exptl_crystal_density_diffrn      3.126
_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   0.08640   0.22040   1.00000   0.00709
O2   0.11750   0.16860   0.72400   1.00000   0.00798
O-H3   0.10450   0.00000   0.71270   0.64050   0.01178
F   0.10450   0.00000   0.71270   0.35950   0.01178
O4   0.36060   0.24870   0.79840   1.00000   0.01254
O5   0.34510   0.12960   0.09410   1.00000   0.01127
O6   0.34310   0.11850   0.59090   1.00000   0.01077
O7   0.33560   0.00000   0.30580   1.00000   0.01064
NaA   0.00000   0.50000   0.00000   0.11150   0.02774
KA   0.00000   0.50000   0.00000   0.38850   0.02774
NaAm   0.03570   0.50000   0.07620   0.02780   0.02748
KA   0.00000   0.50000   0.00000   0.19420   0.02774
NaA2   0.00000   0.47390   0.00000   0.02780   0.02748
KA2   0.00000   0.47390   0.00000   0.09720   0.02748
TiM1   0.00000   0.08300   0.50000   0.09540   0.01039
FeM1   0.00000   0.08300   0.50000   0.10860   0.01039
MgM1   0.00000   0.08300   0.50000   0.79270   0.01039
MnM1   0.00000   0.08300   0.50000   0.00320   0.01039
TiM2   0.00000   0.17950   0.00000   0.09540   0.00735
FeM2   0.00000   0.17950   0.00000   0.10860   0.00735
MgM2   0.00000   0.17950   0.00000   0.79270   0.00735
MnM2   0.00000   0.17950   0.00000   0.00320   0.00735
TiM3   0.00000   0.00000   0.00000   0.09540   0.00646
FeM3   0.00000   0.00000   0.00000   0.10860   0.00646
MgM3   0.00000   0.00000   0.00000   0.79270   0.00646
MnM3   0.00000   0.00000   0.00000   0.00320   0.00646
CaM4   0.00000   0.27660   0.50000   0.24250   0.01153
NaM4   0.00000   0.27660   0.50000   0.24420   0.01153
CaM42   0.00000   0.25120   0.50000   0.24250   0.00722
NaM42   0.00000   0.25120   0.50000   0.24420   0.00722
SiT1   0.27820   0.08490   0.30070   0.96500   0.00595
AlT1   0.27820   0.08490   0.30070   0.01060   0.00595
TiT1   0.27820   0.08490   0.30070   0.02440   0.00595
SiT2   0.28550   0.17140   0.80490   0.96500   0.00608
AlT2   0.28550   0.17140   0.80490   0.01060   0.00608
TiT2   0.28550   0.17140   0.80490   0.02440   0.00608