Upalite Columbite-(Fe) Image

Upalite Columbite-(Fe) Image
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 Columbite-(Fe), Upalite

Large Columbite-(Fe) Image

Mineral: Columbite-(Fe): Fe++Nb2O6  
Upalite: Al(UO2)3(PO4)2O(OH)·7(H2O)
Comments: Thin translucent yellowish upalite crusts on a prismatic, black columbite crystal.
Location: Thin translucent yellowish crusts on undifferntiated columbite crystal.
Scale: Picture Size 2 mm.
Copyright: © Jeff Weissman / Photographic Guide to Mineral Species
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