High Purity Coltan Ta205 for sale, 500kg min

Our mining corporation sells coltan containing tantalite above 30 percent of tantalum dioxide. We supply Columbite-tantalite (Coltan) with minimum levels of 30% of Tantalum to an average of 40% concentration of tantalum dioxide. Plants that give preference to refined coltan coltan which is above 35% Ta2O5. 500kg minimum order. 
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Tantalite ore
Rare earth metal
500 MT ready stock in Drums 
FOB Dar Es Salaam Delivery
Prompt delivery againts inspection & sampling by buyer
Ta2O5 37,93% 
Nb2O5 16,00% 
ThO2 0,059% 
U3O8 0,199% 
V2O5 0,11% 
Fe2O3 26,90% 
Cr2O3 7,44% 
TiO2 13,40% 
SiO2 2,16% 
S <0,01 
P 0,11% 
ZrO2 0,31% 
SnO2 0,798%