data_global _chemical_name_mineral 'Celestine' loop_ _publ_author_name 'Garske D' 'Peacor D R' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 121 _journal_year 1965 _journal_page_first 204 _journal_page_last 210 _publ_section_title ; Refinement of the structure of celestite SrSO4 ; _database_code_amcsd 0010619 _chemical_compound_source 'France Stone Company's quarry near Waterville, Ohio, USA' _chemical_formula_sum 'Sr S O4' _cell_length_a 8.377 _cell_length_b 5.350 _cell_length_c 6.873 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 308.027 _exptl_crystal_density_diffrn 3.961 _symmetry_space_group_name_H-M 'P n m a' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,z' '-x,1/2+y,-z' '1/2-x,1/2+y,1/2+z' '1/2+x,1/2-y,1/2-z' '1/2+x,y,1/2-z' '1/2-x,-y,1/2+z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Sr 0.18360 0.25000 0.15830 0.00671 S 0.43800 0.75000 0.18800 0.00190 O1 0.60300 0.75000 0.09300 0.00811 O2 0.30500 0.75000 0.03300 0.01925 O3 0.42000 0.97900 0.31200 0.00266