data_global _chemical_name_mineral 'Tinzenite' loop_ _publ_author_name 'Basso R' 'Della Giusta A' 'Vlaic G' _journal_name_full 'Periodico di Mineralogia' _journal_volume 425 _journal_year 1973 _journal_page_first 369 _journal_page_last 379 _publ_section_title ; La struttura della tinzenite ; _database_code_amcsd 0020632 _chemical_compound_source 'Cassagna, Eastern Liguria, Italy' _chemical_formula_sum 'Mn1.7 Ca1.3 Al2 B Si4 O16 H' _cell_length_a 7.165 _cell_length_b 9.120 _cell_length_c 8.947 _cell_angle_alpha 91.9 _cell_angle_beta 98.8 _cell_angle_gamma 76.9 _cell_volume 562.721 _exptl_crystal_density_diffrn 3.421 _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 _atom_site_occupancy _atom_site_U_iso_or_equiv Mn1 0.76420 0.59690 0.10810 1.00000 0.01570 Ca1 0.74950 0.34740 0.39570 1.00000 0.01507 Ca2 0.18190 0.09840 0.08180 0.30000 0.01811 Mn2 0.18190 0.09840 0.08180 0.70000 0.01811 Al1 0.05140 0.80220 0.25090 1.00000 0.01456 Al2 0.34870 0.93750 0.41890 1.00000 0.01089 B 0.45860 0.63240 0.28650 1.00000 0.01292 Si1 0.21160 0.44750 0.23760 1.00000 0.01317 Si2 0.21880 0.27600 0.52680 1.00000 0.01077 Si3 0.70680 0.25550 0.01420 1.00000 0.01279 Si4 0.63710 0.02090 0.22810 1.00000 0.01089 O1 0.05840 0.60230 0.18760 1.00000 0.01988 O2 0.22700 0.32670 0.10400 1.00000 0.01608 O3 0.41970 0.48470 0.31290 1.00000 0.01545 O4 0.13060 0.38000 0.37380 1.00000 0.01684 O5 0.02320 0.23940 0.56830 1.00000 0.01520 O6 0.32950 0.37900 0.64810 1.00000 0.01456 O7 0.38070 0.12840 0.49540 1.00000 0.01735 O8 0.54410 0.34520 0.87840 1.00000 0.01722 O9 0.88280 0.15090 0.93900 1.00000 0.01406 O10 0.77660 0.36700 0.13970 1.00000 0.01748 O11 0.60510 0.14040 0.08750 1.00000 0.01507 O12 0.43010 0.98470 0.24150 1.00000 0.01608 O13 0.72050 0.09930 0.38710 1.00000 0.01583 O14 0.79110 0.87400 0.17340 1.00000 0.01558 O15 0.32320 0.74730 0.35410 1.00000 0.02102 O-H16 0.09140 0.99720 0.31810 1.00000 0.01608