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".
June 24, 2022 When you buy diamonds, think of Bucha, Ukraine envoy says Ukraine has accused the Russian military of executing residents of Bucha, a town outside the capital Kyiv that Russian troops had occupied for several weeks.
Silver, platinum plunge to extend big spike in volatility “We expect large-scale selling activity to kick off amid significant rebalancing flows from broad commodity indices,” TD Securities strategist said. January 07, 2026 | 01:38 pm
African states, business groups eyeing stake in De Beers, CEO says Anglo American, which owns 85% of De Beers, has valued the diamond producer at about $4.9 billion. January 07, 2026 | 12:15 pm
Gold, silver miners sell stock at fastest pace in over a decade A flurry of equity raises by the small- and mid-cap precious metals miners comprised the bulk of activity. January 07, 2026 | 12:04 pm