data_global _chemical_name_mineral 'Mizzonite' loop_ _publ_author_name 'Papike J J' 'Stephenson N C' _journal_name_full 'American Mineralogist' _journal_volume 51 _journal_year 1966 _journal_page_first 1014 _journal_page_last 1027 _publ_section_title ; The crystal structure of mizzonite, a calcium- and carbonate-rich scapolite ; _database_code_amcsd 0000148 _chemical_formula_sum '(Ca2.68 Na.76 K.44 Mg.12) (Si6.68 Al5.32) O27.09 (C.83 S.15 Cl.02)' _cell_length_a 12.169 _cell_length_b 12.169 _cell_length_c 7.569 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1120.852 _exptl_crystal_density_diffrn 2.741 _symmetry_space_group_name_H-M 'I 4/m' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' 'y,-x,-z' '1/2+y,1/2-x,1/2-z' '-y,x,z' '1/2-y,1/2+x,1/2+z' 'x,y,-z' '1/2+x,1/2+y,1/2-z' '-x,-y,z' '1/2-x,1/2-y,1/2+z' '-y,x,-z' '1/2-y,1/2+x,1/2-z' 'y,-x,z' '1/2+y,1/2-x,1/2+z' '-x,-y,-z' '1/2-x,1/2-y,1/2-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 Ca 0.14280 0.21700 0.00000 0.67000 0.01431 Na 0.14280 0.21700 0.00000 0.19000 0.01431 K 0.14280 0.21700 0.00000 0.11000 0.01431 Mg 0.14280 0.21700 0.00000 0.03000 0.01431 Si1 0.33910 0.40840 0.00000 0.71000 -0.00101 Al1 0.33910 0.40840 0.00000 0.29000 -0.00101 Si2 0.33930 0.08660 0.20690 0.48000 0.00038 Al2 0.33930 0.08660 0.20690 0.52000 0.00038 O1 0.45810 0.34800 0.00000 1.00000 0.00735 O2 0.31200 0.12800 0.00000 1.00000 0.01102 O3 0.05100 0.34890 0.20810 1.00000 0.01064 O4 0.23320 0.13540 0.32630 1.00000 0.01001 C 0.00000 0.00000 0.00000 0.83000 0.02280 O-C1 0.00000 0.00000 0.00000 0.83000 0.02280 O-C2 0.00000 0.00000 0.00000 0.83000 0.02280 O-C3 0.00000 0.00000 0.00000 0.83000 0.02280 S 0.00000 0.00000 0.00000 0.15000 0.02280 O-S1 0.00000 0.00000 0.00000 0.15000 0.02280 O-S2 0.00000 0.00000 0.00000 0.15000 0.02280 O-S3 0.00000 0.00000 0.00000 0.15000 0.02280 O-S4 0.00000 0.00000 0.00000 0.15000 0.02280 Cl 0.00000 0.00000 0.00000 0.02000 0.02280