: a dull black ore that consists of a mixture of columbite and tantalite and is a minor source of tantalum
Examples of coltan in a Sentence
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The deal could help bring in U.S. investment into the DRC, which holds valuable deposits of coltan, cobalt, lithium, copper, and gold.
—
Ross O'Keefe, The Washington Examiner, 21 June 2025
Rwanda is one of the world’s top suppliers of coltan and has surpassed DRC’s export of the mineral in recent years.
—Nimi Princewill, CNN, 12 Feb. 2025
Congo produced about 40% of the world’s coltan in 2023, according to the U.S. Geological Survey, with Australia, Canada and Brazil being other major suppliers.
—David Yusufu Kibingila, Los Angeles Times, 23 May 2025
Over the past month, M23’s lightning advances have expanded its control over North Kivu province’s lucrative coltan, gold and tin ore mines, uprooting thousands in what was already one of the world’s most dire humanitarian crises.
—Reuters, CNN, 8 Feb. 2025
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Ross O'Keefe, The Washington Examiner, 21 June 2025
Rwanda is one of the world’s top suppliers of coltan and has surpassed DRC’s export of the mineral in recent years.
—Nimi Princewill, CNN, 12 Feb. 2025
Congo produced about 40% of the world’s coltan in 2023, according to the U.S. Geological Survey, with Australia, Canada and Brazil being other major suppliers.
—David Yusufu Kibingila, Los Angeles Times, 23 May 2025
Over the past month, M23’s lightning advances have expanded its control over North Kivu province’s lucrative coltan, gold and tin ore mines, uprooting thousands in what was already one of the world’s most dire humanitarian crises.
—Reuters, CNN, 8 Feb. 2025
See All Example Sentences for coltan
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“Coltan.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coltan. Accessed 6 Jul. 2025.
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