We are a Colombian company dedicated to the exploration and exploitation of Gilsonite, we look for customers who are interested in doing business with us. If interested please reply to the message. We have gilsonite with ash content: Ahs less than 1% value US$ 700 -750 ton FOB Barranquilla Ash 1% -5% value US $ 450-650 ton FOB Barranquilla Ash 5% -10% value US 350-450 ton FOB Barranquilla Ash 10% -15% value US 300-350 ton FOB Barranquilla Cordially. ingeominingcolombia@gmail.com.

In addition, we have kaolin, limestone, barite and coltan, more information write to mail.