Columbite-(Fe) Microcline Image

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Columbite-(Fe), Microcline

Mineral:

Columbite-(Fe): Fe++Nb2O6
Microcline: KAlSi3O8

Comments:

Blocky, dark brown ferrocolumbite on pale greenish blue amazonite (microcline).

Location:

Crystal Park, El Paso Co., Colorado, USA.

Scale:

2.5 x 1.5 cm.

Copyright:

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