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ATHENA

MINERALOGY

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Mineral:UNGARETTIITE = MANGANOMANGANIUNGARETTIITE
Formula:NaNa2(Mn2+2Mn3+3)Si8O22O2
Crystal System:Monoclinic
Group:Amphibole gr gr. IV: sodic gr.
References:AM 80 (1995), 165; MR 27 (1996), 394
Type Locality:Hoskins mine, Grenfell, New South Wales, Australia

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(Strunz Nr.: 10 th ed. (pending), courtesy D. Barthelmy)

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