Gold dust, sugar, magnetite iron ore, manganese ore, diamonds, copper ore, copper cathode.
Quartz glass
Calcined bauxite
Coltan
Tantalite and coltan
Tantalite (coltan)
Columbite tantalite coltan ore
Tantalite ore
Calcined bauxite
Tantalite And Coltan
Coltan
Coltan
Calcined bauxite, bauxite
Cobalt, gold, coltan, casseterite, diamond
Tantalite
Bauxite
Bauxite
Copper ore, lead ore, managanese ore, zinc ore
Minerals and agro-products like copper ore, ICUMSA 45, iron ore
Iron ore, manganese ore, bauxite, bauxite, bentonite, chrome ore, iron ore, manganese