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, Congo, earlier this month.

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.

As demand for coltan and the metals inside it grows, understanding its value in the global supply chain and our daily lives is important. Here are five coltan facts you should know. 1.

Por DAVID YUSUFU KIBINGILA y MONIKA PRONCZUKRUBAYA, Congo (AP) — Ubicado en las verdes colinas del territorio de Masisi en la República Democrática del Congo, el sitio minero artesa… ...

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 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 ...

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, ...

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, ...