data_global
_chemical_name_mineral 'Ferri-leakeite'
loop_
_publ_author_name
'Hawthorne F C'
'Ungaretti L'
'Oberti R'
'Cannillo E'
_journal_name_full 'American Mineralogist'
_journal_volume 79 
_journal_year 1994
_journal_page_first 443
_journal_page_last 451
_publ_section_title
;
 The mechanism of Li incorporation in amphiboles
 Sample: A3
 Note: Site occupancies are set to be the same as ones in sample A2
;
_database_code_amcsd 0001657
_chemical_compound_source 'Kajlidongri, Madhya Pradesh, India'
_chemical_formula_sum 'Si7.92 Al.26 Mg2.24 Fe1.42 Mn.42 Li.74 Na2.71 Ca.04 K.2 H1.28 O23.5 F.48'
_cell_length_a 9.822
_cell_length_b 17.836
_cell_length_c 5.286
_cell_angle_alpha 90
_cell_angle_beta 104.37
_cell_angle_gamma 90
_cell_volume 897.056
_exptl_crystal_density_diffrn      3.145
_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
Si1   0.27800   0.08620   0.29440   0.99000   0.00583
Al1   0.27800   0.08620   0.29440   0.01000   0.00583
Si2   0.28830   0.17120   0.80180   0.99000   0.00570
Al2   0.28830   0.17120   0.80180   0.01000   0.00570
Mg1   0.00000   0.08480   0.50000   0.83000   0.00887
Al1   0.00000   0.08480   0.50000   0.04000   0.00887
Fe1   0.00000   0.08480   0.50000   0.10000   0.00887
Mn1   0.00000   0.08480   0.50000   0.03000   0.00887
Mg2   0.00000   0.17960   0.00000   0.16000   0.00633
Al2   0.00000   0.17960   0.00000   0.05000   0.00633
Fe2   0.00000   0.17960   0.00000   0.61000   0.00633
Mn2   0.00000   0.17960   0.00000   0.18000   0.00633
Li3   0.00000   0.00000   0.00000   0.74000   0.00874
Mg3   0.00000   0.00000   0.00000   0.26000   0.00874
Na4   0.00000   0.27630   0.50000   0.98000   0.01532
Ca4   0.00000   0.27630   0.50000   0.02000   0.01532
NaA   0.00000   0.50000   0.00000   0.15000   0.05712
KA   0.00000   0.50000   0.00000   0.04000   0.05712
NaAm   0.03990   0.50000   0.09300   0.15000   0.03559
KAm   0.03990   0.50000   0.09300   0.04000   0.03559
NaA2   0.00000   0.47660   0.00000   0.15000   0.05243
KA2   0.00000   0.47660   0.00000   0.04000   0.05243
H   0.18450   0.00000   0.77050   0.64000   0.03939
O1   0.11000   0.09050   0.21540   1.00000   0.00899
O2   0.11840   0.16850   0.72840   1.00000   0.00963
O3   0.11100   0.00000   0.69750   0.11000   0.01153
O-h3   0.11100   0.00000   0.69750   0.64000   0.01153
F3   0.11100   0.00000   0.69750   0.24000   0.01153
O4   0.36230   0.25040   0.80270   1.00000   0.01127
O5   0.34860   0.12810   0.08500   1.00000   0.00937
O6   0.34360   0.11930   0.58540   1.00000   0.00937
O7   0.33380   0.00000   0.29830   1.00000   0.01191