Current information (Certificate of quality) about our range of minerals can be found on our website.
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

PRICE FOB STOWED IS USD 70-100/KG