November 8, 2021 Gemfields finds largest emerald ever at Zambia mine The 7,525-carat gemstone was named Chipembele, which means “rhino” in the local dialect of Bemba.
November 5, 2021 Guinea junta names AngloGold executive as mines minister Moussa Magassouba is a western educated mining engineer and fluent English speaker, with more than 20 years of experience in the industry and no political background.
November 3, 2021 Anglo American strategy boss replaces Cutifani as CEO Duncan Wanblad, 54, will be the first South African to run the company since Tony Trahar stepped down in 2007.
November 1, 2021 Lab-grown diamonds are latest victims of China’s power crisis Roughly 7 million carats of jewelry-quality man-made diamonds are produced globally each year, of which 3 million come from China.
October 28, 2021 Rio Tinto sells last Argyle diamonds at record highs Mining ended at Argyle in 2020 after 37 years of production, during which the mine was the source of 90% of the world’s prized pink stones.
October 21, 2021 Greenland rubies linked to world’s early signs of life Canadian researchers have found carbon residue corresponding to what once was once ancient life encased in a 2.5-billion-year-old ruby.
October 21, 2021 Anglo American’s Q3 production inches 2% higher Iron ore production rose by 15% on increased output from Brazil's Minas-Rio and South Africa's Kumba mine.
October 20, 2021 Family who exited De Beers for $5 billion taps Asia’s rich The family office for Nicky Oppenheimer and his son Jonathan has set up an outpost in Singapore to boost its Asia exposure and partner with the region’s wealthy.
October 19, 2021 Angola’s Catoca says tailings leak contained no heavy metals Catoca said the leak only contained rocks and clay from a tailings basin, which altered the oxygen levels in a tributary of the Congo river.
October 19, 2021 Alrosa says diamond sector “fully recovered” from pandemic hit A structural production decline paired with growing end-user demand are pushing prices past levels reached in 2019.
Disruption and dislocation: LME metals’ year in seven charts Supply disruption and tariff dislocation have defined the London Metal Exchange base metals complex this year. December 23, 2025 | 07:58 am