data_9001096
_chemical_name 'Olivine'
loop_
_publ_author_name
'Bostrom D'
_journal_name_full "American Mineralogist"
_journal_volume 72
_journal_year 1987
_journal_page_first 965
_journal_page_last 972
_publ_section_title
;
 Single-crystal X-ray diffraction studies of synthetic Ni-Mg olivine solid
 solutions
 Sample: XNi2+ = 0.00
;
_chemical_formula_sum 'Mg2 Si O4'
_cell_length_a 4.749
_cell_length_b 10.1985
_cell_length_c 5.9792
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 289.589
_symmetry_space_group_name_H-M 'P b n m'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  'x,y,1/2-z'
  '-x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,1/2+y,1/2-z'
  '1/2-x,1/2+y,z'
  '1/2+x,1/2-y,-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Mg1   0.00000   0.00000   0.00000
Mg2   0.99130   0.27730   0.25000
Si   0.42610   0.09400   0.25000
O1   0.76580   0.09190   0.25000
O2   0.22100   0.44700   0.25000
O3   0.27740   0.16300   0.03290