The main ore of tantalum and niobium is tantalite, columbite, microlite, pyrochlore, koppite, hachettolite,fergusonite, loparite, etc. Some element of tantalum and niobium exists as impurities in ore of ilmenite, perovskite, rutile, cassiterite, wolframite, etc.
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Specifications Tantalite Coltan Ore Ta2O5 20% min DRC Origin kgs per week WAREHOUSE TANTALITE COLTAN ORE Ta2O5 ... Tantalite 38%. Inspection / assay available ...
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While our business in Tantalum started in the 1990s with the flow of scrap from the former Soviet Union, today we draw in units worldwide.
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Tantalite: Tantalite,, tantalumrich variety of the mineral columbite () with the chemical formula (Fe,Mn)(Ta,Nb)2O6. Tantalite is the principal ore of the metal
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