Columbite, also called niobite, niobite-tantalite and columbate [(Fe, Mn)Nb₂O₆], is a black mineral group that is an ore of niobium. It has a submetallic luster and a high density and is a niobate of iron and manganese. This mineral group was first found in Haddam, Connecticut, in the United States. It forms a series with the tantalum-dominant analogue ferrotantalite and one with the manganese-dominant analogue manganocolumbite. The iron-rich member of the columbite group is ferrocolumbite. Some tin and tungsten may be present in the mineral. Yttrocolumbite is the yttrium-rich columbite with the formula (Y,U,Fe)(Nb,Ta)O₄. It is a radioactive mineral found in Mozambique.

Our trade process spreads across CIF and FOB depending on the buyer’s preference.

Here’s what they entail:

1). Cost Insurance and Freight (CIF): Here, the seller will handle everything from loading the vessel, paying for insurance, and sending the product to wherever the buyer wants it delivered.

2). Freight On Board (FOB): Here, the seller pays for the transportation of the goods to the port of shipment, plus loading costs, while the buyer pays the cost of marine freight transport, insurance, unloading, and transportation from the originating port to the final destination.