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(10)
;
_database_code_amcsd 0001595
_chemical_compound_source 'Questa caldera, New Mexico'
_chemical_formula_sum 'O22.3 (F1.7 Si8) Mg.77 Fe3.06 Mn.81 Ti.12 Li.25 Na2.799 Ca.008 K.179 H.3'
_cell_length_a 9.858
_cell_length_b 18.046
_cell_length_c 5.316
_cell_angle_alpha 90
_cell_angle_beta 103.69
_cell_angle_gamma 90
_cell_volume 918.836
_exptl_crystal_density_diffrn      3.352
_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   0.11270   0.08810   0.21020   1.00000   0.00950
O2   0.12060   0.17070   0.73200   1.00000   0.01026
O-H3   0.10970   0.00000   0.70880   0.15000   0.01406
F   0.10970   0.00000   0.70880   0.85000   0.01406
O4   0.36400   0.24840   0.79650   1.00000   0.01406
O5   0.34910   0.12780   0.07980   1.00000   0.01191
O6   0.34210   0.11880   0.57820   1.00000   0.01216
O7   0.33760   0.00000   0.29370   1.00000   0.01241
SiT1   0.28060   0.08510   0.29020   1.00000   0.00621
SiT2   0.28980   0.17000   0.79880   1.00000   0.00608
MgM1   0.00000   0.09060   0.50000   0.26000   0.00747
Fe2+M1   0.00000   0.09060   0.50000   0.45000   0.00747
MnM1   0.00000   0.09060   0.50000   0.29000   0.00747
Fe2+M2   0.00000   0.18230   0.00000   0.47000   0.00722
Fe3+M2   0.00000   0.18230   0.00000   0.47000   0.00722
TiM2   0.00000   0.18230   0.00000   0.06000   0.00722
LiM3   0.00000   0.00000   0.00000   0.25000   0.00785
MgM3   0.00000   0.00000   0.00000   0.25000   0.00785
Fe2+M3   0.00000   0.00000   0.00000   0.28000   0.00785
MnM3   0.00000   0.00000   0.00000   0.22000   0.00785
NaM4   0.00000   0.27610   0.50000   0.99100   0.01634
CaM4   0.00000   0.27610   0.50000   0.00400   0.01634
MnM4   0.00000   0.27610   0.50000   0.00500   0.01634
KA   0.00000   0.50000   0.00000   0.04300   0.05623
NaA   0.00000   0.50000   0.00000   0.19700   0.05623
KAm   0.04450   0.50000   0.09650   0.06400   0.04471
NaAm   0.04450   0.50000   0.09650   0.29000   0.04471
KA2   0.00000   0.46750   0.00000   0.00400   0.06054
NaA2   0.00000   0.46750   0.00000   0.02000   0.06054