Congo's coltan miners dig for world's tech — and struggle regardless of who is in charge Miners work at the D4 Gakombe coltan quarry in Rubaya, Democratic Republic of Congo, on Friday, May 9, 2025.

(Reuters) -Gold miner Twangiza Mining SA has accused Rwanda-backed M23 rebels of forcing its employees to work against their will and without pay after seizing its mine in eastern Democratic ...

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.

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.

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.

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.

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.

Nestled in the green hills of Masisi territory in Congo, the artisanal Rubaya mining site hums with the sound of generators, as hundreds of men labor by hand to extract coltan, a key mineral ...