Afrique Negoce International Sarl

Cotonou, Benin

We offer for sale columbite-tantalite (coltan). MC1 (Quality 1): Columbite: 5, 3 % pure metal Nb = 7, 6 % Nb2O5; Tantalite:21, 8 % pure metal Ta = 26, 6 % Ta2O5; Total: 27, 1 % pure metal = 34, 3 % metaloxide; MC2 (Quality 2): Columbite: 11, 7 % pure metal Nb= 16, 7 % Nb2O5; Tantalite: 26, 6 % pure metal Ta = 33, 2 % Ta2O5; Total :38, 3 % pure metal = 49, 9 % metaloxide MC3: WE CAN OFFER TOO: Tantalite Ore Available samples Feel you free to ask for detailed information and proceedings.

• W180 W210
• W320 W450