Rio Tinto exits diamonds after half a century

From miningmx.com

RIO Tinto has closed its last diamond mine, ending more than 50 years in the business as the world’s second-largest miner sharpens its focus on copper, iron ore, aluminium and lithium, said Bloomberg News. The Diavik mine in Canada’s Northwest Territories has delivered its final production, with remaining stones to be cut and polished ahead of auction. Diavik was an engineering feat, built beneath a frozen lake and shielded by steep retaining walls. Its largest stone, a yellow diamond weighing 552.74 carats, remains the mine’s most celebrated find. Rio’s diamond exit follows the 2020 closure of its Argyle ... (full story)