We offer Tin Ore Sand /Powder with the following Parameters in % Sn 69.64, SnO2 88.42, SiO2 1.00, MnO 0.75, Fe2O3 2.31,NiO 0.009, CuO 0.09, As2 O3 0.009, ZrO2 0.07, Nb2O5 2.16, BaO 0.81, CeO2 1.00, Ta2O5 0.54, WO3 0.30, HgO 0.007, PbO 0.29, ThO2 0.06 Further benification can be done to customers specification. Initial supply : 1-2 tons F.O.B.