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MINERALOGY

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Mineral: NIOBOAESCHYNITE-(Y) = AESCHYNITE-(Y)
Name: Niobo-aeschynite-(Y)
Formula: (Y,REE,Ca,Th,Fe)(Nb,Ti,Ta)2(O,OH)6
Crystal System: Orthorhombic
Group: Aeschynite group
IMA Number: 2003-038a
References: CM 46 (2008), 395; EJM 37 (2025), 342
Type Locality: Bear Lake, Monmouth, Haliburton Co., Ontario, Canada
Comments: discredited

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