cobalt

Example Sentences

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The US is also negotiating a minerals deal with DR Congo to help gain access to the central African country's vast reserves of key metals such as cobalt, tantalum, lithium and copper.

From BBC • Apr. 6, 2026

After cobalt prices crashed in 2023, Chemaf’s founder put the company up for sale.

From The Wall Street Journal • Mar. 31, 2026

Caught in the middle is American mining company KoBold Metals, which uses AI to scour for copper, lithium, nickel and cobalt.

From The Wall Street Journal • Mar. 28, 2026

China currently dominates the global supply of lithium and cobalt, both of which are needed in batteries.

From Barron's • Mar. 28, 2026

It’s a grief to see the best of Zairean genius and diplomacy spent on bare survival, while fortunes in diamonds and cobalt are slipped daily out from under our feet.

From "The Poisonwood Bible" by Barbara Kingsolver