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Rubaya mine produces about 15% of the world’s coltan, which is processed into tantalum, used in mobile phones
More than 200 people were killed this week in a collapse at the Rubaya coltan mine in eastern Democratic Republic of Congo, Lumumba Kambere Muyisa, a spokesperson for the rebel-appointed governor of the province where the mine is located, told Reuters on Friday.
Rubaya produces about 15% of the world’s coltan, which is processed into tantalum – a heat-resistant metal that is in high demand by makers of mobile phones, computers, aerospace components and gas turbines. The site, where local people dig manually for a few dollars a day, has been under the control of the M23 rebel group since 2024.
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