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 U2 ; _database_code_amcsd 0001715 _chemical_compound_source 'Hoskins mine, Grenfell, New South Wales, Australia' _chemical_formula_sum 'O24 Si8 Mn4.71 Mg.29 Na2.77 Ca.03 K.152' _cell_length_a 9.893 _cell_length_b 18.041 _cell_length_c 5.295 _cell_angle_alpha 90 _cell_angle_beta 105.10 _cell_angle_gamma 90 _cell_volume 912.419 _exptl_crystal_density_diffrn 3.441 _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 0.12000 0.08320 0.20850 1.00000 0.00798 O2 0.11710 0.15920 0.70790 1.00000 0.00798 O3 0.09140 0.00000 0.71860 1.00000 0.00912 O4 0.34900 0.24850 0.79060 1.00000 0.01191 O5 0.35040 0.12620 0.07120 1.00000 0.01077 O6 0.34880 0.11860 0.57550 1.00000 0.01051 O7 0.35020 0.00000 0.29410 1.00000 0.01178 Si1 0.28850 0.08410 0.28620 1.00000 0.00595 Si2 0.28700 0.16800 0.78630 1.00000 0.00633 Mn1 0.00000 0.08150 0.50000 1.00000 0.00595 Mn2 0.00000 0.18340 0.00000 0.89000 0.00735 Mg2 0.00000 0.18340 0.00000 0.11000 0.00735 Mn3 0.00000 0.00000 0.00000 0.93000 0.00507 Mg3 0.00000 0.00000 0.00000 0.07000 0.00507 Na4 0.00000 0.27290 0.50000 0.98500 0.01862 Ca4 0.00000 0.27290 0.50000 0.01500 0.01862 Na2 0.03640 0.50000 0.07940 0.20000 0.03774 KAm 0.03640 0.50000 0.07940 0.03800 0.03774 NaA2 0.00000 0.48960 0.00000 0.20000 0.03850 KA2 0.00000 0.48960 0.00000 0.03800 0.03850