Columbite-(Fe) & Euxenite-(Y) - Petaca Mining District, Rio Arriba County, New Mexico, USA (Analyzed)

Fe²⁺Nb₂O_{6         (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6}

Here is one for you rare-earth collectors out there. A nice specimen of Columbite-(Fe) & Euxenite-(Y) from the  Petaca Mining District, Rio Arriba County, New Mexico, USA. This specimen has been collected and analyzed by Charles Young, and includes a copy of the XRF report.

Approx. specimen size: 28mm x 19mm x 12mm

Approx. specimen activity: 30 000 cpm