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ATHENA

MINERALOGY

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Mineral:TAKANELITE
Formula:(Mn2+,Ca)Mn4+4O8 · H2O
Crystal System:Hexagonal
Strunz Nr:4/D.12-20
References:AM 76 (1991), 1426; HB3 (1997)
Type Locality:Nomura mine, Ehime pref., Shikoku, Japan

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