Latest Metallurgical Refinement News

Impact Minerals reports ultra-low uranium and thorium levels in Lake Hope high purity alumina, with three of four samples exceeding 99.99% purity. The results meet semiconductor industry standards without dedicated radionuclide removal steps, supporting ongoing pilot optimisation.

Diatreme Resources has unveiled a maiden Mineral Resource Estimate of 102.7 million tonnes of high-purity silica sand at its Casuarina deposit, lifting its total global resource base to 632.8 million tonnes. The deposit's proximity to existing infrastructure and high silica content underpin its development potential.

Narryer Metals reports encouraging metallurgical results from its Rocky Gully project, highlighting potential for a saleable rare earth concentrate and advancing bio-leach studies with a European partner.

American Rare Earths reports strong metallurgical leach recoveries and significantly reduced impurities at its Halleck Creek Rare Earths Project, marking a key step toward economic production of critical rare earth elements in the US.