Minerals Buyer and Importer

coltan is a black and opaque metal comprised the mineralescolumbita and tantalite ore. The donominacion corresponds to the contraction of the name of two well-known minerals: lacolumbita (COL) niobium iron oxide ymanganeso(Fe,Mn) Nb206 and tantalite (TAN) with iron and manganese (Fe, MnTa206) tantalum oxide. The value of depends on the percentage of _normalmente tantalite coltan between u 20% and 40% - and the percentage of oxide tantalum content in the content in the tantalite tantalum - that can be alredor from 10% to 60% Attachment To view attachment please Sign In Now! Not a member yet? It takes less than a minute to Join FREE now!two well-known minerals: lacolumbita (COL) niobium iron oxide ymanganeso(Fe,Mn) Nb206 and tantalite (TAN) with iron and manganese (Fe, MnTa206) tantalum oxide. The value of depends on the percentage of _normalmente tantalite coltan between u 20% and 40% - and the percentage of oxide tantalum content in the content in the tantalite tantalum - that can be alredor from 10% to 60% Attachment To view attachment please Sign In Now! Not a member yet? It takes less than a minute to Join FREE now! Show More