data_global _chemical_name_mineral 'Wollastonite-1A' loop_ _publ_author_name 'Ito T' 'Sadanaga R' 'Takeuchi Y' 'Tokonami M' _journal_name_full 'Proceedings of the Japan Academy' _journal_volume 45 _journal_year 1969 _journal_page_first 913 _journal_page_last 918 _publ_section_title ; The existence of partial mirrors in wollastonite ; _database_code_amcsd 0015327 _chemical_formula_sum 'Ca Si O3' _cell_length_a 7.94 _cell_length_b 7.32 _cell_length_c 7.07 _cell_angle_alpha 90.03 _cell_angle_beta 95.37 _cell_angle_gamma 103.43 _cell_volume 397.818 _exptl_crystal_density_diffrn 2.909 _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 Ca1 -0.00200 0.24950 -0.02600 Ca2 0.70000 -0.07500 0.26400 Ca3 0.69800 0.42450 0.26100 Si1 0.31400 0.04300 0.22900 Si2 0.31400 0.61400 0.22900 Si3 0.10200 0.27550 0.44200 O1 0.10000 0.27500 0.66600 O2 0.07600 0.76900 0.69300 O3 0.19400 0.06200 0.03700 O4 0.19400 0.53500 0.03700 O5 0.51600 0.12900 0.22600 O6 0.52000 0.63000 0.23300 O7 0.22400 0.12000 0.40500 O8 0.22400 0.49200 0.40500 O9 0.29000 0.82250 0.26000