Metallium Limited, through its subsidiaries, engages in the mineral exploration and metal recovery technology business in Australia, Canada, and the United States. The company explores for gold, niobium, base metals, lithium, nickel, cobalt, graphite, and rare earth elements. It also engages in the development and commercialization of flash joule heating technology for the recovery of critical and precious metals from end-of-life electronics, industrial residue, and mineral ore-based feedstocks. Metallium Limited was formerly known as MTM Critical Metals Limited and changed its name to Metallium Limited in July 2025. The company was incorporated in 2020 and is based in Subiaco, Australia.
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