Mangano-mangani-ungarettiite Hawthorne F C, Oberti R, Cannillo E, Sardone N, Zanetti A, Grice J D, Ashley P M American Mineralogist 80 (1995) 165-172 A new anhydrous amphibole from the Hoskins mine, Grenfell, New South Wales, Australia: Description and crystal structure of ungarettiite, NaNa2(Mn2Mn3)Si8O22O2 Sample U2 Locality: Hoskins mine, Grenfell, New South Wales, Australia _database_code_amcsd 0001715 9.893 18.041 5.295 90 105.10 90 C2/m atom x y z occ Biso O1 .1200 .0832 .2085 .63 O2 .1171 .1592 .7079 .63 O3 .0914 0 .7186 .72 O4 .3490 .2485 .7906 .94 O5 .3504 .1262 .0712 .85 O6 .3488 .1186 .5755 .83 O7 .3502 0 .2941 .93 Si1 .2885 .0841 .2862 .47 Si2 .2870 .1680 .7863 .50 Mn1 0 .0815 .5 .47 Mn2 0 .1834 0 .89 .58 Mg2 0 .1834 0 .11 .58 Mn3 0 0 0 .93 .40 Mg3 0 0 0 .07 .40 Na4 0 .2729 .5 .985 1.47 Ca4 0 .2729 .5 .015 1.47 Na2 .0364 .5 .0794 .2 2.98 KAm .0364 .5 .0794 .038 2.98 NaA2 0 .4896 0 .2 3.04 KA2 0 .4896 0 .038 3.04