Dear principle Buyers We wish to confirm with full legal responsibility, under the penalty of perjury, that we are the principle sellers of the material mentioned below with its Commodity:coltan (Tantalite) beingTantalum Ta5 o5 Quantity:60 MT Quality: 38% at 205 Product specification: Coltan /Tantalum Ta2O5 Granules Purity 36% Non-Radioactive material.Packing:Metallic Drums. Location:Extreme North/Cameroon. Origin:Cameroon and CongoLoading Port:Douala.