Kazakhstan has announced the discovery of its largest-ever deposit of rare earth metals, a significant development in the global race for critical raw materials. Located in the country’s central Karaganda region,

The U.S.'s only rare earths mineral mine has ceased all shipments of rare earth concentrate to China stating materials under 125% tariffs is not commercially rational.

MP Materials , which owns the only U.S. rare earths mine, said on Thursday it has stopped shipping the critical minerals to China for processing after Beijing boosted import tariffs to 125% in response to U.