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 U1 Locality: Hoskins mine, Grenfell, New South Wales, Australia _database_code_amcsd 0001714 9.889 18.033 5.296 90 105.08 90 C2/m atom x y z occ Biso O1 .1201 .0832 .2075 .69 O2 .1170 .1594 .7087 .64 O3 .0913 0 .7186 .64 O4 .3488 .2484 .7904 .96 O5 .3504 .1263 .0716 .86 O6 .3486 .1185 .5752 .84 O7 .3502 0 .2934 .93 Si1 .2885 .0840 .2863 .51 Si2 .2870 .1680 .7861 .50 Mn1 0 .0814 .5 .47 Mn2 0 .1834 0 .89 .61 Mg2 0 .1834 0 .11 .61 Mn3 0 0 0 .94 .42 Mg3 0 0 0 .06 .42 Na4 0 .2730 .5 .985 1.58 Ca4 0 .2730 .5 .015 1.58 NaAm .0362 .5 .0782 .207 2.77 KAm .0362 .5 .0782 .038 2.77 NaA2 0 .4873 0 .207 2.68 KA2 0 .4873 0 .038 2.68