September 25, 2019 How blockchain can track conflict minerals Several companies have begun using or offering blockchain solutions to address some of the problems associated with conflict minerals.
September 25, 2019 Alrosa’s Diamond Inspector excels at detecting fake stones An independent, US-based lab tested the device.
September 24, 2019 Rising resource nationalism in Africa ups stakes for miners — report Central Africa’s copperbelt, and Tanzania capture the bulk of resource nationalism risks, Verisk Maplecroft says.
September 23, 2019 Petra finds 20.08-carat blue diamond at flagship Cullinan mine Recovery demonstrates the quality of Petra's asset base, as the Cullinan diamond mine remains a significant source of rare blue diamonds, said the company.
September 22, 2019 Canadian student discovers new mineral inside a diamond The new mineral was named goldschmidtite.
September 19, 2019 Alrosa gets an A+ in social, environmental investments The Russian miner allocates 3% of its revenue to social expenses and 2.2% to environmental initiatives.
September 18, 2019 Lucara finds another big diamond at its Karowe mine in Botswana The operation has this year yielded 22 diamonds larger than 100 carats, eight of them exceeding 200 carats.
September 17, 2019 Rio’s Argyle diamonds go on tour The Argyle Pink Diamonds Tender is being showcased in Perth, Singapore, London and New York.
September 16, 2019 MIT engineers ‘hide’ $2m-diamond under world’s blackest black material LJ West Diamonds gave them a 16.78-carat natural yellow diamond to experiment with.
September 12, 2019 De Beers Namibia diamond venture sells mine to local consortium Namdeb, which unsuccessfully explored a variety of options to extend the life of its Elizabeth Bay Mine beyond 2019, ceased operations in September 2018.
Copper price nears $13,000 on tariffs woes, supply strain Mine outages, tariff risks and tight supply push copper toward a milestone despite weakening Chinese demand. December 29, 2025 | 05:51 am
