The deal will see Lithium Australia's battery recycling unit process at least 250 tonnes of lithium-ion batteries over the next year.

Analysts have raised questions about Fortescue’s spending on the green unit after the miner last month reported a 40% drop in full-year profit.

The 160-carat white Type IIa diamond, recovered from Lulo mine, is the sixth-largest found at the operation to date.

The Portfolio consists of 22 royalties on the production of minerals from mines in North America, South America, Australia and Africa.

In a snapshot of the world's gold supply, Miningintelligence data provides a ranking of the largest gold producers.

Research found a more effective way to improve the output of autonomous power sources used to power vital mining equipment in remote or underground locations.