data_9000349
_chemical_name 'Spodumene'
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 = 760 C
 pyroxene
;
_chemical_formula_sum 'Si2 Al Li O6'
_cell_length_a 9.489
_cell_length_b 8.46
_cell_length_c 5.236
_cell_angle_alpha 90
_cell_angle_beta 109.88
_cell_angle_gamma 90
_cell_volume 395.281
_symmetry_space_group_name_H-M 'C 1 2/c 1'
loop_
_symmetry_equiv_pos_as_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   0.29430   0.09280   0.25220
Al1   0.00000   0.90440   0.25000
Li2   0.00000   0.27690   0.25000
O1   0.11050   0.08100   0.13830
O2   0.36520   0.26440   0.30180
O3   0.35620   0.99110   0.04950