: 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 demand for rare-earth minerals such as cobalt, coltan, lithium, and tantalum is driving efforts to source and secure these resources wherever they can be found.
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Michael Albertus, Foreign Affairs, 4 Mar. 2025
The region is rich in gold and coltan, a key mineral for the production of capacitors used in most consumer electronics such as laptops and smartphones.
—Janvier Barhahiga and Monika Pronczuk The Associated Press, arkansasonline.com, 28 Feb. 2025
Image Image United Nations experts found that 150 tons of coltan — from which key minerals used in smartphone manufacturing are extracted — was smuggled out of Congo and into Rwanda by M23 last year.
—Guerchom Ndebo, New York Times, 19 Feb. 2025
The tax on a kilogram of coltan and manganese was $7, while the tax on tin (cassiterite) was $4 per kilogram.
—Paul Tilsley, Fox News, 31 Jan. 2025
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Michael Albertus, Foreign Affairs, 4 Mar. 2025
The region is rich in gold and coltan, a key mineral for the production of capacitors used in most consumer electronics such as laptops and smartphones.
—Janvier Barhahiga and Monika Pronczuk The Associated Press, arkansasonline.com, 28 Feb. 2025
Image Image United Nations experts found that 150 tons of coltan — from which key minerals used in smartphone manufacturing are extracted — was smuggled out of Congo and into Rwanda by M23 last year.
—Guerchom Ndebo, New York Times, 19 Feb. 2025
The tax on a kilogram of coltan and manganese was $7, while the tax on tin (cassiterite) was $4 per kilogram.
—Paul Tilsley, Fox News, 31 Jan. 2025
See All Example Sentences for coltan
Cite this Entry
“Coltan.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coltan. Accessed 25 Mar. 2025.
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