Plumbopyrochlore Mineral Gallery

Plumbopyrochlore Minerals

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Plumbopyrochlore Mineral Gallery With 3 Images

Plumbopyrochlore Image

Images:

Plumbopyrochlore: (Pb,Y,U,Ca)2-xNb2O6(OH)
Columbite-(Fe): Fe++Nb2O6

Comments: Brown plumbopyrochlore crystal with dark brown ferrocolumbite (columbite-(Fe)).
Location: Holdazan, Buregteg, Mongolia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Plumbopyrochlore Image

Images:

Plumbopyrochlore: (Pb,Y,U,Ca)2-xNb2O6(OH)
Fergusonite-(Y): YNbO4

Comments: Brown resinous fergusonite-(Y) (as per communication with Pavel M. Kartashov) with yellowish plumbopyrochlore.
Location: Ploskaya Mountain, Keivy Region, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Plumbopyrochlore Image

Images:

Plumbopyrochlore: (Pb,Y,U,Ca)2-xNb2O6(OH)
Columbite-(Mn): (Mn,Fe++)(Nb,Ta)2O6

Comments: Yellow-brown plumbopyrochlore crystalline crust over black manganocolumbite grain. Such plumbopyrochlore-manganocolumbite ovoids with different grade of replacement are very typical for the locality.
Location: Amazonite pegmatites of Ploskaya Mt, Western Keivy Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture Size 12x10 mm.
© Pavel M. Kartashov

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