data_global _chemical_name_mineral 'Tuzlaite' loop_ _publ_author_name 'Bermanec V' 'Armbruster T' 'Tibljas D' 'Sturman D' 'Kniewald G' _journal_name_full 'American Mineralogist' _journal_volume 79 _journal_year 1994 _journal_page_first 562 _journal_page_last 569 _publ_section_title ; Tuzlaite, NaCa[B5O8(OH)2].3H2O, a new mineral with a pentaborate sheet structure from the Tuzla salt mine, Bosnia and Hercegovina ; _database_code_amcsd 0001662 _chemical_formula_sum 'Ca Na O13 B5 H8' _cell_length_a 6.506 _cell_length_b 13.280 _cell_length_c 11.462 _cell_angle_alpha 90 _cell_angle_beta 92.97 _cell_angle_gamma 90 _cell_volume 988.983 _exptl_crystal_density_diffrn 2.238 _symmetry_space_group_name_H-M 'P 1 21/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,1/2+z' '-x,1/2+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 Ca 0.20980 0.89462 0.08216 0.01178 Na 0.33650 0.98420 0.35550 0.02381 O1 0.10260 0.09140 0.05450 0.00988 O2 -0.13670 0.83270 0.22820 0.01482 O3 0.41590 0.05190 0.15410 0.01216 O4 0.30980 0.22780 0.13740 0.01393 O5 -0.23550 0.08850 0.11900 0.01216 O6 0.67560 0.98230 0.27540 0.01406 OW7 0.33150 0.81500 0.26920 0.01938 O-h8 0.57890 0.86170 0.03210 0.01418 O9 0.02860 0.98890 0.21990 0.01241 OW10 0.15330 0.71260 0.05710 0.02052 O-h11 0.04750 0.07760 0.59340 0.01862 O12 -0.02200 0.83020 -0.23800 0.01469 OW13 0.54500 0.88000 0.52670 0.03344 B1 0.62160 0.04100 0.18120 0.01026 B2 0.31280 0.12750 0.07500 0.01051 B3 -0.15970 0.74400 0.28590 0.01115 B4 -0.12210 0.93430 0.28270 0.01203 B5 -0.01600 0.08280 0.15970 0.01001 H1 0.25000 0.77200 0.28300 0.03002 H2 0.44500 0.78900 0.29300 0.03002 H3 0.66500 0.85200 0.08400 0.03002 H4 0.09000 0.69100 0.12100 0.03002 H5 0.08200 0.68500 -0.00100 0.03002 H6 0.90700 0.95500 0.44400 0.03002 H7 0.44300 0.85000 0.54600 0.03002 H8 0.61000 0.82900 0.49500 0.03002