data_global _chemical_name_mineral 'Mazzite-Na' loop_ _publ_author_name 'Arletti R' 'Galli E' 'Vezzalini G' 'Wise W S' _journal_name_full 'American Mineralogist' _journal_volume 90 _journal_year 2005 _journal_page_first 1186 _journal_page_last 1191 _publ_section_title ; Mazzite-Na, a new zeolite from Boron, California: Its description and crystal structure Sample: US Borax Mine, Boron, Ca ; _database_code_amcsd 0003819 _chemical_formula_sum 'Na5.67 Si18 O47.48 H22.96' _cell_length_a 18.2343 _cell_length_b 18.2343 _cell_length_c 7.6371 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 2199.061 _exptl_crystal_density_diffrn 2.143 _symmetry_space_group_name_H-M 'P 63/m m c' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-x+y,1/2+z' 'x,x-y,1/2-z' '-x+y,-x,1/2-z' 'x-y,x,1/2+z' '-y,-x,z' 'y,x,-z' 'y,-x+y,-z' '-y,x-y,z' 'x-y,-y,1/2+z' '-x+y,y,1/2-z' 'x,y,1/2-z' '-x,-y,1/2+z' 'x,x-y,z' '-x,-x+y,-z' 'x-y,x,-z' '-x+y,-x,z' 'y,x,1/2+z' '-y,-x,1/2-z' '-y,x-y,1/2-z' 'y,-x+y,1/2+z' '-x+y,y,z' 'x-y,-y,-z' '-x,-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 Na1 0.33333 0.66667 0.25000 0.24000 0.06000 Na2 0.50000 0.00000 0.00000 0.77000 0.11900 Na3 0.03200 0.14400 0.04000 0.26000 0.19000 Si1 0.15791 0.49004 0.25000 1.00000 0.01620 Si2 0.35457 0.09295 0.04570 1.00000 0.01620 O1 0.25800 0.51610 0.25000 1.00000 0.03200 O2 0.42460 0.84930 0.25000 1.00000 0.03700 O3 0.38290 0.09770 0.25000 1.00000 0.02580 O4 0.43570 0.10920 -0.07210 1.00000 0.03080 O5 0.16250 0.32500 -0.00460 1.00000 0.02840 O6 0.27270 0.00000 0.00000 1.00000 0.02750 Wat1 0.46580 0.93160 0.71900 0.44000 0.07600 Wat2 0.33333 0.66667 0.96300 0.63000 0.18000 Wat2A 0.33333 0.66667 0.05600 0.19000 0.02100 Wat3 0.24300 0.68000 0.75000 0.24000 0.13000 Wat5 0.13000 -0.00400 0.75000 0.46000 0.25000 Wat6 0.08900 0.17700 0.25000 0.36000 0.15000 Wat7 0.07800 -0.07800 0.75000 0.12000 0.07000 Wat8 0.43700 0.87400 0.70400 0.08000 0.03000