Coloured gemstones in eastern DRC: Tourmaline exploitation and trade in the Kivus

Responsible sourcing efforts in the Democratic Republic of Congo (DRC) to date have focused predominantly on the so-called 3TG (tin, tungsten, tantalum and gold) sector. Nevertheless, the artisanal exploitation of other minerals including semi-precious gemstones, such as tourmaline, can also make notable contributions to local livelihoods […]