Columbite-(Fe) Image
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Columbite-(Fe)
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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