Coltan
Coltan
Tantalum, tantalite, columbite
Coltan
Coltan
Tantalite (27% of TA2o5)
Tantalite
Tantalite
Coltan
Coal, Iron, Tantalum, Coltan, Palladium.
Copper Cathodes, Coltan, Woods Logs
Crude oil and derivatives, coltan
Copper wire rods,tantalite, koltan, minerals
Cobalt and coltan
Coltan, barite, ores and organic fertilizers
Coal, iron, tantalum, coltan, palladium.
Minerals Like Tin Ore, Bauxite Kimberlitic, Galena, Barites
Carbon, iron, lead, copper, manganese, aluminum, scrap, coltan
Copper, cobalt, tantalite, diamonds, iron ore
Hot washed PET flakes, chrome ore, beryl ore, tantalite ore