data_global
_chemical_name_mineral 'Pyrope'
loop_
_publ_author_name
'Armbruster T'
'Geiger C A'
'Lager G A'
_journal_name_full 'American Mineralogist'
_journal_volume 77 
_journal_year 1992
_journal_page_first 512
_journal_page_last 521
_publ_section_title
;
 Single-crystal X-ray structure study of synthetic pyrope almandine garnets at
 100 and 293 K
 Py100-Alm0 at T = 100 K, Pyrope - Almandine join
;
_database_code_amcsd 0001460
_chemical_formula_sum 'Mg3 Al2 Si3 O12'
_cell_length_a 11.441
_cell_length_b 11.441
_cell_length_c 11.441
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1497.587
_exptl_crystal_density_diffrn      3.576
_symmetry_space_group_name_H-M 'I a -3 d'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  'z,1/2-x,1/2+y'
  '1/2+z,-x,+y'
  '-y,1/2+z,1/2-x'
  '1/2-y,+z,-x'
  'x,1/2-y,1/2+z'
  '1/2+x,-y,+z'
  '-z,1/2+x,1/2-y'
  '1/2-z,+x,-y'
  'y,1/2-z,1/2+x'
  '1/2+y,-z,+x'
  '-x,1/2+y,1/2-z'
  '1/2-x,+y,-z'
  '3/4+x,1/4-z,3/4-y'
  '1/4+x,3/4-z,1/4-y'
  '3/4-z,1/4+y,3/4+x'
  '1/4-z,3/4+y,1/4+x'
  '3/4+y,1/4-x,3/4-z'
  '1/4+y,3/4-x,1/4-z'
  '3/4-x,1/4+z,3/4+y'
  '1/4-x,3/4+z,1/4+y'
  '3/4+z,1/4-y,3/4-x'
  '1/4+z,3/4-y,1/4-x'
  '3/4-y,1/4+x,3/4+z'
  '1/4-y,3/4+x,1/4+z'
  '1/4+x,1/4+z,1/4+y'
  '3/4+x,3/4+z,3/4+y'
  '1/4-z,1/4-y,1/4-x'
  '3/4-z,3/4-y,3/4-x'
  '1/4+y,1/4+x,1/4+z'
  '3/4+y,3/4+x,3/4+z'
  '1/4-x,1/4-z,1/4-y'
  '3/4-x,3/4-z,3/4-y'
  '1/4+z,1/4+y,1/4+x'
  '3/4+z,3/4+y,3/4+x'
  '1/4-y,1/4-x,1/4-z'
  '3/4-y,3/4-x,3/4-z'
  '1/2+z,x,1/2-y'
  '+z,1/2+x,-y'
  '1/2-y,-z,1/2+x'
  '-y,1/2-z,+x'
  '1/2+x,y,1/2-z'
  '+x,1/2+y,-z'
  '1/2-z,-x,1/2+y'
  '-z,1/2-x,+y'
  '1/2+y,z,1/2-x'
  '+y,1/2+z,-x'
  '1/2-x,-y,1/2+z'
  '-x,1/2-y,+z'
  '1/2-z,1/2+x,y'
  '-z,+x,1/2+y'
  '1/2+y,1/2-z,-x'
  '+y,-z,1/2-x'
  '1/2-x,1/2+y,z'
  '-x,+y,1/2+z'
  '1/2+z,1/2-x,-y'
  '+z,-x,1/2-y'
  '1/2-y,1/2+z,x'
  '-y,+z,1/2+x'
  '1/2+x,1/2-y,-z'
  '+x,-y,1/2-z'
  '3/4-x,3/4+z,1/4-y'
  '1/4-x,1/4+z,3/4-y'
  '3/4+z,3/4-y,1/4+x'
  '1/4+z,1/4-y,3/4+x'
  '3/4-y,3/4+x,1/4-z'
  '1/4-y,1/4+x,3/4-z'
  '3/4+x,3/4-z,1/4+y'
  '1/4+x,1/4-z,3/4+y'
  '3/4-z,3/4+y,1/4-x'
  '1/4-z,1/4+y,3/4-x'
  '3/4+y,3/4-x,1/4+z'
  '1/4+y,1/4-x,3/4+z'
  '1/4-x,3/4-z,3/4+y'
  '3/4-x,1/4-z,1/4+y'
  '1/4+z,3/4+y,3/4-x'
  '3/4+z,1/4+y,1/4-x'
  '1/4-y,3/4-x,3/4+z'
  '3/4-y,1/4-x,1/4+z'
  '1/4+x,3/4+z,3/4-y'
  '3/4+x,1/4+z,1/4-y'
  '1/4-z,3/4-y,3/4+x'
  '3/4-z,1/4-y,1/4+x'
  '1/4+y,3/4+x,3/4-z'
  '3/4+y,1/4+x,1/4-z'
  '-z,-x,-y'
  '1/2-z,1/2-x,1/2-y'
  'y,z,x'
  '1/2+y,1/2+z,1/2+x'
  '-x,-y,-z'
  '1/2-x,1/2-y,1/2-z'
  'z,x,y'
  '1/2+z,1/2+x,1/2+y'
  '-y,-z,-x'
  '1/2-y,1/2-z,1/2-x'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
MgX   0.00000   0.25000   0.12500
AlY   0.00000   0.00000   0.00000
SiZ   0.37500   0.00000   0.25000
O   0.03292   0.05067   0.65333
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
MgX 0.00506 0.00506 0.00274 0.00119 0.00000 0.00000
AlY 0.00210 0.00210 0.00210 0.00000 0.00000 0.00000
SiZ 0.00166 0.00192 0.00192 0.00000 0.00000 0.00000
O 0.00313 0.00370 0.00252 0.00043 -0.00062 0.00000