Coltan ore 37,5% for sale 100 t/m

I have Coltan and Vanadium ore. Origin port - Cartagena Colombia. Will this be items that you will be interested in? The product have all export papers and for coltan we have lab analysis that will be able to furnish. Ta is 37.5%. Will be able to sell 1 container 21 Tons or up to 100 tons a Month.