The miner has announced a $1.6 billion impairment charge on its De Beers diamond business owing to faltering demand.

The inferred resource totals 4.7 million tonnes of lithium carbonate equivalent grading 2,839 ppm.

The move comes after China tightened export rules for graphite used for EVs in December.

Anglo American said it will review its assets after a 94% plunge in annual profit.

IGO's net profit attributable for the half year ended Dec. 31 came in at A$288.3 million.

Australia's biggest pure-play lithium miner reported after tax half-year profit of A$273 million.

Eramet, which has refused to inject more funds into SLN, aims to reach a deal in the coming weeks to remove some 320 million euros of debt.

The lithium supplier said it would reduce its headcount by around 200.