Columbite

NO.：65KJ24617CO
Locality：Golcona, Minas Gerais, Brazil.
Size：8.5-6.5-3.5 CM

Description: This is the Columbite specimen, from Brazil, wide around 8.5cm. Columbite is the mineral contain: Nb, Fe, Mn, O elements. The Columbite crystal of this specimen is very big, with obvious geometric shape, easy for display, with important scientific education significance! Rare mineral specimen!

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