data_global
_chemical_name_mineral 'Huanzalaite'
loop_
_publ_author_name
'Macavei J'
'Schulz H'
_journal_name_full 'Zeitschrift fur Kristallographie'
_journal_volume 207 
_journal_year 1993
_journal_page_first 193
_journal_page_last 208
_publ_section_title
;
 The crystal structure of wolframite type tungstates at high pressure
 Note: P = 0.0001 GPa, in air
;
_database_code_amcsd 0011046
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Mg W O4'
_cell_length_a 4.696
_cell_length_b 5.683
_cell_length_c 4.945
_cell_angle_alpha 90
_cell_angle_beta 90.83
_cell_angle_gamma 90
_cell_volume 131.955
_exptl_crystal_density_diffrn      6.850
_symmetry_space_group_name_H-M 'P 1 2/c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,-y,1/2+z'
  '-x,y,1/2-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Mg   0.50000   0.67420   0.25000   0.00790
W   0.00000   0.18190   0.25000   0.00520
O1   0.21600   0.10700   0.93700   0.00840
O2   0.25600   0.37660   0.39700   0.00700