July 21, 2022 De Beers boosts 2022 guidance despite drop in output The miner expects to produce 32m-34m carats, up from 30m-33m carats thanks to what it calls “robust demand” from US customers.
July 20, 2022 Amorphous carbon may be useful for solar energy conversion Researchers are using a new framework for understanding the electronic properties of amorphous carbon.
July 20, 2022 Gemfields on alert as insurgent attacks creep closer to Montepuez An incident took place on July 13, about 30 km from the Cabo Delgado province's ruby mine, but operations have not been halted.
July 19, 2022 Petra Diamonds annual revenue up 44% on US demand for gems The company, which operates three mines in South Africa and one in Tanzania, sold 11% fewer diamonds in the year ended June 30.
July 19, 2022 Gem Diamonds unearths 114-carat diamond at Letšeng Diamonds larger than 100 carats recovered at the mine in Lesotho contribute between 70% and 80% of the company's revenue every year.
July 18, 2022 Botswana Diamonds kicks off drilling at Thorny River’s high-grade area The exploration program focuses on the recently discovered high-grade geophysical area of the diamond project.
July 17, 2022 Hundreds of hectares of pristine rainforest destroyed by illegal mining in Venezuela A local NGO says that the destruction of Venezuela’s tropical rainforest by illegal miners and armed groups is done with authorities’ consent.
July 4, 2022 Billionaire Oppenheimer wins ban on mining at Zimbabwe farm South Africa’s second-richest man won a court order to temporarily halt mineral exploration on his private family ranch in Zimbabwe.
June 30, 2022 Petra Diamonds’ latest sale crowns “strong” year The miner saw prices for its rough diamonds climb 7.7% from the previous sale of fiscal year 2022.
June 29, 2022 Russia hits back at attempts to ‘politicize’ its diamonds Country said attempts to question its compliance with the international diamond certification scheme were "totally unfounded" and "far-fetched".
SEC to drop long-running fraud case against ex-Rio Tinto CFO over African coal assets SEC accused Guy Elliott and others of inflating the value of African coal assets the company acquired in a disastrous 2011 deal. January 11, 2026 | 06:59 am
Column: Nickel gluts to zinc deficits — LME shadow stocks tell the story While LME registered nickel stocks had been flat-lining since September, off-warrant inventory had been steadily accumulating in LME warehouses. January 11, 2026 | 06:34 am
Gold investors stay bullish after record rally in 2025 Gold is “basically an anti-fiat currency play now more than anything else,” said Mike Wilson, chief investment officer and strategist for Morgan Stanley. January 10, 2026 | 07:46 pm