data_global _chemical_name_mineral 'Mangano-mangani-ungarettiite' loop_ _publ_author_name 'Hawthorne F C' 'Oberti R' 'Cannillo E' 'Sardone N' 'Zanetti A' 'Grice J D' 'Ashley P M' _journal_name_full 'American Mineralogist' _journal_volume 80 _journal_year 1995 _journal_page_first 165 _journal_page_last 172 _publ_section_title ; A new anhydrous amphibole from the Hoskins mine, Grenfell, New South Wales, Australia: Description and crystal structure of ungarettiite, NaNa2(Mn2Mn3)Si8O22O2 Sample U1 ; _database_code_amcsd 0001714 _chemical_compound_source 'Hoskins mine, Grenfell, New South Wales, Australia' _chemical_formula_sum 'O24 Si8 Mn4.72 Mg.28 Na2.798 Ca.03 K.152' _cell_length_a 9.889 _cell_length_b 18.033 _cell_length_c 5.296 _cell_angle_alpha 90 _cell_angle_beta 105.08 _cell_angle_gamma 90 _cell_volume 911.904 _exptl_crystal_density_diffrn 3.446 _symmetry_space_group_name_H-M 'C 1 2/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,z' '1/2+x,1/2-y,z' '-x,y,-z' '1/2-x,1/2+y,-z' '-x,-y,-z' '1/2-x,1/2-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 O1 0.12010 0.08320 0.20750 1.00000 0.00874 O2 0.11700 0.15940 0.70870 1.00000 0.00811 O3 0.09130 0.00000 0.71860 1.00000 0.00811 O4 0.34880 0.24840 0.79040 1.00000 0.01216 O5 0.35040 0.12630 0.07160 1.00000 0.01089 O6 0.34860 0.11850 0.57520 1.00000 0.01064 O7 0.35020 0.00000 0.29340 1.00000 0.01178 Si1 0.28850 0.08400 0.28630 1.00000 0.00646 Si2 0.28700 0.16800 0.78610 1.00000 0.00633 Mn1 0.00000 0.08140 0.50000 1.00000 0.00595 Mn2 0.00000 0.18340 0.00000 0.89000 0.00773 Mg2 0.00000 0.18340 0.00000 0.11000 0.00773 Mn3 0.00000 0.00000 0.00000 0.94000 0.00532 Mg3 0.00000 0.00000 0.00000 0.06000 0.00532 Na4 0.00000 0.27300 0.50000 0.98500 0.02001 Ca4 0.00000 0.27300 0.50000 0.01500 0.02001 NaAm 0.03620 0.50000 0.07820 0.20700 0.03508 KAm 0.03620 0.50000 0.07820 0.03800 0.03508 NaA2 0.00000 0.48730 0.00000 0.20700 0.03394 KA2 0.00000 0.48730 0.00000 0.03800 0.03394