data_global
_chemical_name_mineral 'Sanidine'
loop_
_publ_author_name
'Menna M'
'Tribaudino M'
'Renzulli A'
_journal_name_full 'European Journal of Mineralogy'
_journal_volume 20 
_journal_year 2008
_journal_page_first 183
_journal_page_last 190
_publ_section_title
;
 Al-Si order and spinodal decomposition texture of sanidine from igneous clasts of Stromboli
 (southern Italy): insights into the timing between the emplacement of a shallow basic sheet
 intrusion and the eruption of related ejecta
;
_database_code_amcsd 0007255
_chemical_compound_source 'Stromboli volcano, southern Italy'
_chemical_formula_sum '(K.65 Na.31 Ca.04) (Al1.04 Si2.96) O8'
_cell_length_a 8.437
_cell_length_b 13.003
_cell_length_c 7.172
_cell_angle_alpha 90
_cell_angle_beta 116.10
_cell_angle_gamma 90
_cell_volume 706.580
_exptl_crystal_density_diffrn      2.569
_symmetry_space_group_name_H-M 'C 1 2/m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,z'
  '1/2+x,1/2-y,z'
  '-x,y,-z'
  '1/2-x,1/2+y,-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
_atom_site_occupancy
_atom_site_U_iso_or_equiv
K   0.28083   0.00000   0.13594   0.65000   0.02880
Na   0.28083   0.00000   0.13594   0.31000   0.02880
Ca   0.28083   0.00000   0.13594   0.04000   0.02880
Al1   0.00862   0.18258   0.22368   0.30100   0.01630
Si1   0.00862   0.18258   0.22368   0.69900   0.01630
Si2   0.70336   0.11725   0.34380   0.78100   0.01580
Al2   0.70336   0.11725   0.34380   0.21900   0.01580
OA1   0.00000   0.14359   0.00000   1.00000   0.02720
OA2   0.62437   0.00000   0.28580   1.00000   0.02860
OB   0.82598   0.14117   0.22565   1.00000   0.03020
OC   0.02924   0.30826   0.25606   1.00000   0.02460
OD   0.18349   0.12602   0.40508   1.00000   0.02560
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
K 0.02050 0.03390 0.02940 0.00000 0.00870 0.00000
Na 0.02050 0.03390 0.02940 0.00000 0.00870 0.00000
Ca 0.02050 0.03390 0.02940 0.00000 0.00870 0.00000
Al1 0.02280 0.01490 0.01270 -0.00250 0.00920 -0.00070
Si1 0.02280 0.01490 0.01270 -0.00250 0.00920 -0.00070
Si2 0.02210 0.01070 0.01510 -0.00030 0.00880 -0.00020
Al2 0.02210 0.01070 0.01510 -0.00030 0.00880 -0.00020
OA1 0.04300 0.02440 0.01810 0.00000 0.01700 0.00000
OA2 0.03480 0.01420 0.03000 0.00000 0.00820 0.00000
OB 0.03020 0.03630 0.03050 -0.00320 0.01930 0.00190
OC 0.02840 0.01890 0.02560 -0.00190 0.01110 -0.00130
OD 0.03160 0.02350 0.01810 0.00080 0.00770 0.00220