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tantalum  search
BTmetals
 .tantalum
UFTa
RTheavy metals
 tantalum ores
 high-field-strength elements
 niobium
SNChemical element. Use tantalum ores for tantalum as a commodity.
tantalum ores  search
BTmetal ores
 .tantalum ores
RTcolumbite
 niobium ores
 tantalum
SNCommodity. See List C.