data_global
_chemical_name_mineral 'Ferropargasite'
loop_
_publ_author_name
'Oberti R'
'Ungaretti L'
'Cannillo E'
'Hawthorne F C'
_journal_name_full 'American Mineralogist'
_journal_volume 78 
_journal_year 1993
_journal_page_first 746
_journal_page_last 752
_publ_section_title
;
 The mechanism of Cl incorporation in amphibole
 Sample: Cl(0)
;
_database_code_amcsd 0001599
_chemical_compound_source 'Nuptse Glacier moraine, Everest Massif, Nepal'
_chemical_formula_sum 'Na.36 K.37 Ca1.94 Mg1.8 Fe2.76 Al2.3 Ti.06 Si6.08 O23.74 F.26 H1.74'
_cell_length_a 9.895
_cell_length_b 18.119
_cell_length_c 5.332
_cell_angle_alpha 90
_cell_angle_beta 105.17
_cell_angle_gamma 90
_cell_volume 922.649
_exptl_crystal_density_diffrn      3.314
_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
NaA   0.00000   0.50000   0.00000   0.10000   0.02786
KA   0.00000   0.50000   0.00000   0.13000   0.02786
NaAm   0.03360   0.50000   0.07340   0.05000   0.02204
KAm   0.03360   0.50000   0.07340   0.06000   0.02204
NaA2   0.00000   0.47140   0.00000   0.05000   0.05129
KA2   0.00000   0.47140   0.00000   0.06000   0.05129
Ca4   0.00000   0.28080   0.50000   0.97000   0.00950
Na4   0.00000   0.28080   0.50000   0.03000   0.00950
Mg1   0.00000   0.08970   0.50000   0.46000   0.00735
Fe1   0.00000   0.08970   0.50000   0.54000   0.00735
Mg2   0.00000   0.17800   0.00000   0.27000   0.00633
Fe2   0.00000   0.17800   0.00000   0.51000   0.00633
Al2   0.00000   0.17800   0.00000   0.19000   0.00633
Ti2   0.00000   0.17800   0.00000   0.03000   0.00633
Mg3   0.00000   0.00000   0.00000   0.34000   0.00671
Fe3   0.00000   0.00000   0.00000   0.66000   0.00671
Si1   0.27910   0.08600   0.30260   0.52000   0.00570
Al1   0.27910   0.08600   0.30260   0.48000   0.00570
Si2   0.29110   0.17320   0.81400   1.00000   0.00583
O1   0.10510   0.09110   0.21410   1.00000   0.01001
O2   0.11990   0.17560   0.73580   1.00000   0.00887
F3   0.10970   0.00000   0.71200   0.13000   0.01064
O-h3   0.10970   0.00000   0.71200   0.87000   0.01064
O4   0.36860   0.24990   0.79240   1.00000   0.01039
O5   0.34900   0.13920   0.10870   1.00000   0.01102
O6   0.34260   0.11950   0.60460   1.00000   0.01153
O7   0.33360   0.00000   0.28870   1.00000   0.01532
H   0.15790   0.00000   0.76030   0.87000   0.01938