Coltan, short for columbite-tantalite, is a metallic ore from which the elements niobium and tantalum are extracted. The name "coltan" is a colloquialism and has no specific origin other than being a combination of the words "columbite" and "tantalite." The use of the name has remained consistent, referring to the same mineral, but its importance has grown significantly due to its critical role in modern electronics. Coltan is essential for the production of tantalum capacitors, which are used in a wide range of electronic devices, including mobile phones, laptops, and automotive electronics.
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