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ATHENA

MINERALOGY

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Mineral:PUMPELLYITE-(Mn++)
Formula:Ca2(Mn2+,Mg)(Al,Mn3+,Fe)2(SiO4)(Si2O7)(OH)2 · H2O
Crystal System:Monoclinic
Strunz Nr:8/C.24-50
Group:Pumpellyite group
References:AM 68 (1983), 1250; HB2/2 (1995)
Type Locality:Ochiai mine, Yamanashi, Japan

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