YELLOWKNIFE, Canada -- Rio Tinto has unearthed one of the largest gem-quality yellow diamonds ever discovered in Canada, from ...

It was also ranked the No. 1 state by U.S. News & World Report — for the second year in a row — and the best place to start a ...

Beijing’s new controls on the exports of rare-earth minerals may have been strategically chosen because China is the dominant ...

IN A TWIST of geological poetry, Rio Tinto’s Diavik Diamond Mine in Canada’s remote Northwest Territories has delivered one ...

Rio Tinto has one of the largest gem-quality diamonds in Canada to be ever be discovered at its Diavik Diamond mine.

The 158.20-carat rock is one of only five yellow diamonds weighing more than 100 carats ever found at Diavik in its 22-year history.

Diversified miner Rio Tinto has recovered a 158.2 ct yellow diamond at its Diavik mine, in Canada – one of only five yellow ...

Rio Tinto is set to supply 70 per cent of iron ore for a new hydrogen-based steelmaking plant being developed by Austrian ...

Primetals Technologies, together with its strategic partner Mitsubishi Corporation, Rio Tinto, a leading mining and materials company, and globally lea ...

The Smelter, powered by renewable energy, melts and reduces direct reduced iron, producing hot metal with near-zero CO₂ ...