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ATHENA

MINERALOGY

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Mineral: COLUMBITE-(Mn)
Formula: (Mn,Fe2+)(Nb,Ta)2O6
Crystal System: Orthorhombic
Group: Columbite supergroup. Columbite group
IMA Number: 2007 s.p
References: NJMM (1985), 372; HB3 (1997); HB3 (1997); L 12 (2002), 7; MR 39/2 (2008), 131; C. R. Acad. Bulg. Sc. 73 (2020), 657
Type Locality: New London, New London Co., Connecticut, USA

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