Latest Antimony Mining News

Antilles Gold’s significantly oversubscribed rights issue has expanded into a $3.45 million capital raising, giving the company additional funding while it seeks to lift US sanctions affecting its Cuban joint venture. The extra $900,000 is earmarked largely for La Demajagua drilling, but only if the sanction is removed.

Locksley Resources has halted active field exploration across its Mojave antimony and rare earths project after antimony prices fell more than 57% from mid-2025 peaks. The strategic reset came as the company reported a widened FY26 loss of A$15.65 million and shifted attention to copper-gold assets in New South Wales.

American Tungsten & Antimony has produced antimony ingot from Arizona-mined material at its Nevada refinery, providing the first physical demonstration of its proposed US mine-to-metal chain. The milestone creates samples for testing and customer qualification, but the underlying asset acquisition remains incomplete and product quality is yet to be disclosed.

American Tungsten & Antimony has started an ahead-of-schedule campaign to produce antimony flake at its Del Sol refinery in Nevada, using material from Arizona. The first physical demonstration of its proposed US mine-to-metal chain could generate samples for customer qualification and government discussions, although the underlying asset acquisition remains incomplete.

Larvotto Resources has delivered strong assay results from Clarks Gully drilling, revealing multiple high-grade gold-antimony-tungsten zones and expanding the deposit's footprint at depth and southwards.

Nova Minerals has kicked off geotechnical drilling for the West Susitna Access Road after AIDEA approved up to US$25 million in additional funding, aiming to unlock critical mineral development and improve logistics for its Estelle Project and antimony refinery.

Cosmo Metals has initiated a systematic soil sampling campaign at its Plunkett & Cassidy antimony prospect within the extensive Antimony Gully Trend at Bingara, NSW, following rock chip assays up to 10.3% antimony. The program aims to delineate mineralised strike extensions and prioritise drill targets in a region hosting Larvotto Resources’ Hillgrove deposit.

Alkane Resources delivered a transformational FY26 with a 590% surge in net profit to A$228.7 million, driven by its merger with Mandalay Resources and record gold equivalent production. The company declared its first fully franked dividend and confirmed solid FY27 guidance.

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.

Locksley Resources has ceased active exploration at its US critical minerals projects following a technical review and a sharp drop in antimony prices, opting to maintain claims on a low-cost basis while reassessing its hydrometallurgical technology partnership.

American Tungsten & Antimony Ltd (ASX: AT4) affirmed the materiality of its US acquisition deal and detailed its adherence to ASX continuous disclosure rules following an ASX inquiry.

American Tungsten & Antimony plans to restart and expand the Del Sol Refinery and White Spar Mine in the US, contingent on completing their acquisition. The company is preparing for increased processing capacity and new product lines while engaging with regulators and engineering firms.