1. coltan; columbite-tantalite
2. ColtanColtan (short for columbite–tantalite and known industrially as tantalite) is a dull black metallic ore from which the elements niobium (formerly "columbium") and tantalum are extracted. The niobium-dominant mineral in coltan is columbite, and the tantalum-dominant mineral is tantalite. Tantalum from coltan is used to manufacture tantalum capacitors, used in consumer electronics products such as mobile phones, DVD players, video game systems and computers.
Read “Coltan” on English Wikipedia
Read “コルタン” on Japanese Wikipedia
Read “Coltan” on DBpedia
Read “Coltan” on English Wikipedia
Read “コルタン” on Japanese Wikipedia
Read “Coltan” on DBpedia
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