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Columbite


Columbite : (Fe,Mn)(Nb,Ta)2O6

Photo Copyright © J.Ralph 2007  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Governador Valadares, Doce valley, Minas Gerais, Southeast Region, Brazil
Huge (11cm) Columbite crystal. Rob Lavinsky, Munich Show 2007

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