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Columbite-(Mn), Albite


Columbite-(Mn) : (Mn,Fe)(Nb,Ta)2O6, Albite : Na[AlSi3O8]

Photo Copyright © 2002, Jesse Fisher. Reproduction prohibited without permission.  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Darra-i-Pech (Darra-e-Pech) Pegmatite Field, Nangarhar (Ningarhar) Province, Afghanistan
COLUMBITE var. Manganocolumbite, on Cleavelandite, Pech, Kunar Province, Afghanistan. Four black tabular manganocolumbite crystals (species identified by EDS) up to 2 cm on a wedge shaped matrix of albite. The two largest crystals are intergrown. 11x6x4 cm overall.

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