data_global
_chemical_name_mineral 'Greenwoodite'
loop_
_publ_author_name
'Bartholomew P R'
'Mancini F'
'Harlow G E'
'Deifel N'
'Cahill C'
'Bernhardt H J'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 50 
_journal_year 2012
_journal_page_first 1233
_journal_page_last 1242
_publ_section_title
;
 Greenwoodite, a new nesosilicate from British Columbia with a Ba-VOH
 coupled substitution and tetrahedral Fe: description and structure
;
_database_code_amcsd 0019709
_chemical_compound_source 'Wigwam deposit of Southeastern British Columbia, Canada'
_chemical_formula_sum 'Ba.6 V5.305 O11.4 Fe.98 Zn.11 Al.03 Mg.02 Si.86 H.4'
_cell_length_a 5.750
_cell_length_b 5.750
_cell_length_c 14.459
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 414.004
_exptl_crystal_density_diffrn      4.996
_symmetry_space_group_name_H-M 'P -3 m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-y,-x,z'
  'y,-x+y,-z'
  '-x,-x+y,-z'
  '-x+y,-x,z'
  '-x+y,y,z'
  '-x,-y,-z'
  'y,x,-z'
  '-y,x-y,z'
  'x,x-y,z'
  'x-y,x,-z'
  'x-y,-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
Ba   0.33333   0.66667   0.06805   0.60000   0.01480
V   0.33333   0.66667   0.06805   0.40000   0.01480
O-H   0.33333   0.66667   0.06805   0.40000   0.01480
V1   0.66667   0.33333   0.17733   1.00000   0.00510
V2   0.18382   0.36765   0.32518   1.00000   0.00550
V3   0.00000   0.00000   0.50000   1.00000   0.00540
V4   0.50000   0.00000   0.00000   0.27000   0.02890
Fe3+T   0.33333   0.66667   0.55041   0.54000   0.00650
Fe2+T   0.33333   0.66667   0.55041   0.30000   0.00650
ZnT   0.33333   0.66667   0.55041   0.11000   0.00650
AlT   0.33333   0.66667   0.55041   0.03000   0.00650
MgT   0.33333   0.66667   0.55041   0.02000   0.00650
SiT1   0.00000   0.00000   0.13003   0.86000   0.00880
Fe3+T1   0.00000   0.00000   0.13003   0.14000   0.00880
O1   0.33333   0.66667   0.41720   1.00000   0.00740
O2   0.00000   0.00000   0.24990   1.00000   0.00640
O3   0.30310   0.15150   0.40902   1.00000   0.00730
O4   0.00000   0.50000   0.25157   1.00000   0.00780
O5   0.32020   0.16010   0.09610   1.00000   0.01720