Latest Antimony Processing News

American Tungsten & Antimony Ltd (ASX: AT4) has kicked off critical wet table trials at its Del Sol Refinery in Nevada, moving closer to producing ammonium paratungstate and antimony flake from domestic sources. Engineering proposals for expanding the plant’s tungsten processing capacity are under review, while the company pursues US government funding and regulatory approvals.

EV Resources has locked in 200 tonnes of premium antimony ore near its Tecomatlán plant, setting the stage for its first commercial processing campaign under a five-year supply deal.

EV Resources has secured its first binding five-year ore supply agreement with Chinantla, underpinning its Proof-of-Concept antimony processing campaign at Tecomatlán and advancing its regional hub strategy.

QEM Limited is moving forward with its acquisition of Freshwater Metals, securing past-producing tungsten and prospective fluorspar and niobium projects in Idaho, aligning with US efforts to bolster domestic critical mineral supplies.

EV Resources has secured sub-underwriting commitments covering the full $1 million underwritten portion of its $1.52 million rights issue, with key insiders stepping up to back the capital raise.

Locksley Resources has demonstrated significant progress in antimony recovery through its collaboration with Rice University, successfully upgrading raw ore to high-purity antimony products and producing metallic antimony via electrodeposition.

Nova Minerals has launched a major 2026 exploration campaign at its Estelle Project in Alaska, combining a 10,000-metre drilling program with advancing antimony production backed by US$43.4 million in U.S. Department of War funding.

Resolution Minerals has achieved 99.5% recovery of stibnite from lower grade Antimony Ridge samples, reinforcing the project's potential as a key US antimony source. Further flotation and hydrometallurgical test work is underway alongside a major drilling campaign at Golden Gate.

QEM Limited is set to acquire two past-producing critical mineral projects in Idaho, backed by a $2.645 million placement. The move aligns with US efforts to secure domestic supplies of fluorspar, tungsten, and niobium amid global supply chain vulnerabilities.

Resolution Minerals has produced a high-purity antimony trioxide intermediate from its Antimony Ridge project using conventional pyrometallurgy, while hydrometallurgical tests progress. The project benefits from US FAST-41 permitting, aiming to establish a local processing hub for critical metals in Idaho.

Resolution Minerals is fast-tracking development of the historic Golden Gate Tungsten Mine in Idaho, leveraging expert geological insight and acquiring a nearby processing mill and stockpiles amid soaring tungsten prices.

Resolution Minerals is fast-tracking development of its historic Golden Gate Tungsten Mine in Idaho, leveraging expert geological insight and acquiring critical processing infrastructure to capitalise on soaring tungsten demand.