![Brazil increases its coltan extraction, boosted by Chinese investment. Global Affairs. University of Navarra Brazil increases its coltan extraction, boosted by Chinese investment. Global Affairs. University of Navarra](https://en.unav.edu/documents/16800098/0/Coltan-1200.jpg/d3060eb2-b0fe-cfd4-6a95-a2ba9145dffc)
Brazil increases its coltan extraction, boosted by Chinese investment. Global Affairs. University of Navarra
![Africa Archives ™ on Twitter: "Big Companies thriving by exploiting Democratic Republic of the Congo while at the same time using Children miners to their own benefit. Coltan is one of the Africa Archives ™ on Twitter: "Big Companies thriving by exploiting Democratic Republic of the Congo while at the same time using Children miners to their own benefit. Coltan is one of the](https://pbs.twimg.com/media/FNmPeFYX0AAUqQT.jpg)
Africa Archives ™ on Twitter: "Big Companies thriving by exploiting Democratic Republic of the Congo while at the same time using Children miners to their own benefit. Coltan is one of the
Children in the Democratic Republic of Congo mine for coltan and face abuse to supply smartphone industry - ABC News
Children in the Democratic Republic of Congo mine for coltan and face abuse to supply smartphone industry - ABC News
![Your Phone, Coltan and the Business Case for Innovative Sustainable Alternatives - Humanity in Action Your Phone, Coltan and the Business Case for Innovative Sustainable Alternatives - Humanity in Action](https://humanityinaction.org/wp-content/uploads/2019/05/2008_mining.jpg)
Your Phone, Coltan and the Business Case for Innovative Sustainable Alternatives - Humanity in Action
![A Congolese man mines for coltan, an essential mineral for many consumer electronic devices, while wearing a shirt designed with $100 bills. Coltan miners make $5 for 12 hours of work. (x-post / A Congolese man mines for coltan, an essential mineral for many consumer electronic devices, while wearing a shirt designed with $100 bills. Coltan miners make $5 for 12 hours of work. (x-post /](https://external-preview.redd.it/bJ-D78Uo1PLDdmyofb61CE9EyALleUTPmeDWinGrQKE.jpg?auto=webp&s=2fe524b9e4bb0db49cfbe5d953103549620af4ff)