data_global
_chemical_name_mineral 'Wollastonite'
loop_
_publ_author_name
'Ohashi Y'
_journal_name_full 'Physics and Chemistry of Minerals'
_journal_volume 10 
_journal_year 1984
_journal_page_first 217
_journal_page_last 229
_publ_section_title
;
 Polysynthetically-twinned structures of enstatite and wollastonite
 Sample: WO1T
;
_database_code_amcsd 0007359
_chemical_formula_sum 'Ca Si O3'
_cell_length_a 7.9258
_cell_length_b 7.3202
_cell_length_c 7.0653
_cell_angle_alpha 90.055
_cell_angle_beta 95.217
_cell_angle_gamma 103.426
_cell_volume 396.960
_exptl_crystal_density_diffrn      2.916
_symmetry_space_group_name_H-M 'P -1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
CaM1   0.19831   0.42266   0.76060
CaM2   0.20241   0.92919   0.76401
CaM3   0.50333   0.75040   0.52691
Si1   0.18510   0.38750   0.26840
Si2   0.18490   0.95420   0.26910
Si3   0.39730   0.72360   0.05610
OA1   0.30340   0.46160   0.46280
OA2   0.30140   0.93850   0.46410
OA3   0.57050   0.76880   0.19880
OB1   0.98320   0.37390   0.26550
OB2   0.98190   0.86770   0.26480
OB3   0.40180   0.72660   0.82960
OC1   0.21830   0.17850   0.22540
OC2   0.27130   0.87040   0.09380
OC3   0.27350   0.51260   0.09310