The mines produce coltan — short for columbite-tantalite — an ore from which the metals tantalum and niobium are extracted. Both are considered critical raw materials by the United States, the ...

A collapse at a coltan mine in eastern Democratic Republic of Congo's North Kivu province has killed at least 12 people, a mining source and a civil society source said on Friday.

Miners work at the D4 Gakombe coltan quarry in Rubaya, Democratic Republic of Congo, on May 9. Amid Congo’s escalating conflict, the U.S. eyes a mineral deal for coltan, cobalt and gold, vital ...

The coltan then is exported to Rwanda, U.N. experts said. But even before M23 seized control of the mines, analysts said that the mineral was sold to Rwanda, ...

The mines produce coltan — short for columbite-tantalite — an ore from which the metals tantalum and niobium are extracted. Both are considered critical raw materials by the United States, the ...

The coltan then is exported to Rwanda, U.N. experts said. But even before M23 seized control of the mine, analysts said that the mineral was sold to Rwanda, ...

Congo's coltan miners dig for world's tech — and struggle regardless of who is in charge Nestled in the green hills of Masisi territory in Congo, the artisanal Rubaya mining site hums with the ...

Text from AP News story: “Congo’s coltan miners dig for world’s tech — and struggle regardless of who is in charge,” by David Yusufu Kibingila and Monika Pronczuk Photos by Moses Sawasawa ...

The coltan then is exported to Rwanda, U.N. experts said. But even before M23 seized control of the mine, analysts said that the mineral was sold to Rwanda, ...

Miners work at the D4 Gakombe coltan quarry in Rubaya, Democratic Republic of Congo, on Friday, May 9, 2025. (AP Photo/Moses Sawasawa) 33,685 people played the daily Crossword recently. Can you ...