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Columbite-(Mn) Gallery

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Columbite-(Mn) : (Mn,Fe)(Nb,Ta)2O6

Emmons Quarry (Uncle Tom Mt. Quarry), Uncle Tom Mt, Greenwood, Oxford Co., Maine, USA

Columbite crystal in vug collected by me at the Emmons Quarry in August 2000. FOV = 2.5 mm. Specimen resides in my collection.
 © SMS 2005Photo ID: 31320    View Count: 844

Columbite-(Mn) : (Mn,Fe)(Nb,Ta)2O6

Emmons Quarry (Uncle Tom Mt. Quarry), Uncle Tom Mt, Greenwood, Oxford Co., Maine, USA

Columbite crystals in vug collected by me in August 2000. FOV = 2.5 mm. Specimen resides in my collection.
 © SMS 2005Photo ID: 31321    View Count: 334

Columbite-(Mn) : (Mn,Fe)(Nb,Ta)2O6, Wodginite : Mn(Sn,Ta)Ta2O8

Emmons Quarry (Uncle Tom Mt. Quarry), Uncle Tom Mt, Greenwood, Oxford Co., Maine, USA

Black columbite with wodginite core. View is approximately 6 mm across. Ex- Gene Bearss specimen. Photograph by Peter Cristofono.
 © 2006 Peter CristofonoPhoto ID: 62433    View Count: 205
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