data_global
_chemical_name_mineral 'Fluor-arfvedsonite'
loop_
_publ_author_name
'Hawthorne F C'
'Ungaretti L'
'Oberti R'
'Bottazzi P'
'Czamanske G K'
_journal_name_full 'American Mineralogist'
_journal_volume 78 
_journal_year 1993
_journal_page_first 733
_journal_page_last 745
_publ_section_title
;
 Li: an important component in igneous alkali amphiboles
 Sample: A(9)
;
_database_code_amcsd 0001594
_chemical_compound_source 'Questa caldera, New Mexico'
_chemical_formula_sum 'O22.6 F1.4 (Si7.88 Al.12) Mg.18 Fe3.52 Mn.79 Ti.08 Zn.1 Li.33 Na2.404 K.257 H.6'
_cell_length_a 9.815
_cell_length_b 18.016
_cell_length_c 5.329
_cell_angle_alpha 90
_cell_angle_beta 103.71
_cell_angle_gamma 90
_cell_volume 915.463
_exptl_crystal_density_diffrn      3.394
_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   0.09090   0.20710   1.00000   0.00849
O2   0.12020   0.17210   0.73760   1.00000   0.00887
O3   0.11190   0.00000   0.70820   0.30000   0.01418
F   0.11190   0.00000   0.70820   0.70000   0.01418
O4   0.36560   0.24900   0.80010   1.00000   0.01089
O5   0.34960   0.12830   0.08140   1.00000   0.01077
O6   0.34040   0.12030   0.57810   1.00000   0.01089
O7   0.33320   0.00000   0.29850   1.00000   0.01191
SiT1   0.28010   0.08580   0.29080   0.98500   0.00595
AlT1   0.28010   0.08580   0.29080   0.01500   0.00595
SiT2   0.29030   0.17040   0.80180   0.98500   0.00583
AlT2   0.29030   0.17040   0.80180   0.01500   0.00583
MgM1   0.00000   0.09060   0.50000   0.09000   0.00798
Fe2+M1   0.00000   0.09060   0.50000   0.64000   0.00798
MnM1   0.00000   0.09060   0.50000   0.27000   0.00798
Fe2+M2   0.00000   0.18270   0.00000   0.10000   0.00709
Fe3+M2   0.00000   0.18270   0.00000   0.81000   0.00709
TiM2   0.00000   0.18270   0.00000   0.04000   0.00709
ZnM2   0.00000   0.18270   0.00000   0.05000   0.00709
LiM3   0.00000   0.00000   0.00000   0.33000   0.00798
Fe2+M3   0.00000   0.00000   0.00000   0.42000   0.00798
MnM3   0.00000   0.00000   0.00000   0.25000   0.00798
NaM4   0.00000   0.27800   0.50000   1.00000   0.01520
KA   0.00000   0.50000   0.00000   0.11300   0.10170
NaA   0.00000   0.50000   0.00000   0.17800   0.10170
KAm   0.04430   0.50000   0.10410   0.07200   0.04078
NaAm   0.04430   0.50000   0.10410   0.11300   0.04078
H   0.20200   0.00000   0.77800   0.30000   0.01684