Columbite-(Fe) Image

Columbite-(Fe) Image
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 Columbite-(Fe)

Large Columbite-(Fe) Image

Mineral: Columbite-(Fe): Fe++Nb2O6
Comments: Dark grains of columbite-(Fe) wtth small brown grains of fluorcarbonates of LREE. Corrected identificaton by Pavel M. Kartashov who analyzed this occurrence of 'chagbaiite'.
Location: Round Top Rhyolite, Hudspeth County, Texas, USA.
Scale: Picture Size 1 mm.
Copyright: © Thomas Witzke
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