data_global
_chemical_name_mineral 'Farringtonite'
loop_
_publ_author_name
'Nord A G'
'Kierkegaard P'
_journal_name_full 'Acta Chemica Scandinavica'
_journal_volume 22 
_journal_year 1968
_journal_page_first 1466
_journal_page_last 1474
_publ_section_title
;
 The crystal structure of Mg3(PO4)2
;
_database_code_amcsd 0011901
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Mg3 P2 O8'
_cell_length_a 7.5957
_cell_length_b 8.2305
_cell_length_c 5.0775
_cell_angle_alpha 90
_cell_angle_beta 94.05
_cell_angle_gamma 90
_cell_volume 316.634
_exptl_crystal_density_diffrn      2.757
_symmetry_space_group_name_H-M 'P 1 21/n 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,1/2+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
Mg1   0.60950   0.14320   0.09200   0.00595
Mg2   0.00000   0.00000   0.50000   0.00469
P   0.19960   0.19460   0.03550   0.00418
O1   0.05890   0.14460   0.81880   0.00646
O2   0.12620   0.19950   0.30360   0.00709
O3   0.25920   0.36290   0.94700   0.00469
O4   0.35450   0.07590   0.04590   0.00342