CEO Richard Duffy said the results capped "the turnround begun three years ago” amid a diamond market that “remains broadly supportive.”

Researchers say lonsdaleite could aid the production of ultra-hard machine parts.

Companies operating in Colombia currently need environmental permission only for the extraction and production phases of projects.

On care and maintenance since 1993, Kipushi will be one of the world's highest-grade zinc mines when it begins production in 2024.

A worker at Glencore’s El Pachón project in Argentina bumped into human remains while performing some road cleaning duties.

Researchers have found that due to the conditions of the core-mantle boundary carbon comes out of a liquid iron-metal alloy and forms diamonds.