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The Conversation
The Conversation
Environment
Oluwole Ojewale, Regional Coordinator, Institute for Security Studies

What coltan mining in the DRC costs people and the environment

Alain Libondo (17) left, and Nsinku Zihindula (25), hammering at solid rock to find cassiterite and coltan at Szibira, South Kivu. Photo by Tom Stoddart via Getty Images

The Democratic Republic of Congo (DRC) is rich in natural resources – its untapped deposits of minerals are estimated to be worth US$24 trillion. Gold, diamonds, cobalt and zinc are among them.

Another strategic mineral mined in the DRC is coltan – a name derived from “columbite-tantalite”. In 2021, the DRC’s coltan production amounted to an estimated 700 tonnes, making the Central African country the world’s largest coltan producer by far.

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