we offer Tantalite Ore. FOB Price : 100% Free From Lagos PortMinimum Order Quantity: 1 Kilogram Packaging Detail: In Plastic DrumDelivery Time: 2 weeks Supplying Ability: 1 Metric Ton MonthPayment Type: LC, Product SpecificationsShape : LumpDimensions : size crushed to 0.90mmConcentrate Or Not : Non-concentrateTiO2 (Min) : 49.5%Moisture (%) : 0.5%Brand Name : Tantaliteblack : black shinyProduct DescriptionThe mineral group tantalite [(Fe, Mn)Ta2Ta2O6] is the primary source of the chemical element tantalum. It is chemically similar to columbite, and the two are often grouped together as a semi-singular mineral called coltan or "columbite-tantalite" in many mineral guides. However, tantalite has a much greater specific gravity than columbite (8.0+ compared to columbite's 5.2).