Crossword puzzle clue "columbite and cuprite"

Here are the possible solutions for columbite and cuprite clue

Answer
Clue
Relevancy
ores
Clue
Columbite and cuprite
Columbite and galena
Bauxite and columbite, e.g.
Pitchblende and cuprite
Ilmenite and cuprite
Galena and cuprite
Cuprite and tinstone
Definition
ORE, rock containing a valuable metal, also OWRE
niobium
Clue
Its principal ore is columbite
Definition
a metallic element, formerly called columbium

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