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Artisanal mining key to Africa’s developmentAfrica has a rich endowment of various minerals ... lithium and gold as well as of gemstones like emeralds, amethyst and tourmaline. The mining and mineral sector is currently dominated by ASM ...
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On the trail of the Paraiba tourmaline: In search of one of the world's rarest gemstonesa gemmologist and specialist in this specific tourmaline through his family’s involvement in mining the gem in Brazil and Africa, as well as jewellery journalist and influencer Katerina Perez.
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