data_global
_chemical_name_mineral 'Jadeite'
loop_
_publ_author_name
'Cameron M'
'Sueno S'
'Prewitt C T'
'Papike J J'
_journal_name_full 'American Mineralogist'
_journal_volume 58
_journal_year 1973
_journal_page_first 594
_journal_page_last 618
_publ_section_title
;
 High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
 spodumene, and ureyite
 T = 600 C
 pyroxene
;
_database_code_amcsd 353
_chemical_formula_sum 'Si2 Al Na O6'
_cell_length_a 9.469
_cell_length_b 8.614
_cell_length_c 5.24
_cell_angle_alpha 90.0
_cell_angle_beta 107.57
_cell_angle_gamma 90.0
_cell_volume 407.467
_exptl_crystal_density_diffrn  3.295
_symmetry_space_group_name_H-M 'C 1 2/c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '-x,y,1/2-z'
  '1/2-x,1/2+y,1/2-z'
  '-x,-y,-z'
  '1/2-x,1/2-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Si   0.2903  0.0928  0.2264
Al1   0.0  0.9043  0.25
Na2   0.0  0.3007  0.25
O1   0.1097  0.0756  0.1278
O2   0.3613  0.2615  0.2903
O3   0.3527  0.0065  0.0057
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
Si   0.01028  0.01083  0.00839  -0.0011  0.0021  -0.00096
Al1   0.01189  0.01165  0.00942  0.0  0.00151  0.0
Na2   0.04066  0.02252  0.02182  0.0  -0.00404  0.0
O1   0.00912  0.01519  0.01264  -0.00039  0.00148  0.00078
O2   0.0211  0.01338  0.01899  -0.00587  0.00487  -0.001
O3   0.01532  0.02139  0.01168  0.00024  0.00331  -0.00578