Mt Edon Drilling Targets Upgrade of 3.6Mt Rubidium Resource at 0.22% Rb2O

Drilling Commences at Mt Edon

Everest Metals Corporation Ltd (ASX:EMC) has kicked off a 2,500-metre reverse circulation and diamond drilling program at its Mt Edon Critical Minerals Project in Western Australia. The campaign aims to upgrade and expand the company’s inferred rubidium resource, currently estimated at 3.6 million tonnes grading 0.22% rubidium oxide (Rb2O), including a high-grade zone of 1.3 million tonnes at 0.33% Rb2O. This resource sits within a 1.2-kilometre pegmatite corridor that remains open in all directions, offering significant potential for growth.

Strategic Importance of Rubidium

Rubidium is a scarce critical mineral with a growing role in high-tech industries, including defence, aerospace, communications, and medical applications. Its limited global supply and high value per tonne, rubidium carbonate commands around $1,170 per kilogram, make Mt Edon’s resource particularly strategic. The mineral’s applications range from atomic clocks and ion propulsion to advanced military technologies, positioning Everest Metals to potentially become a key supplier in an emerging Australian rubidium supply chain.

Collaborations and Funding Support

Everest Metals benefits from strong research partnerships with Edith Cowan University and CSIRO, focusing on rubidium extraction and mineralogical studies. The company has developed a proprietary rubidium extraction process, with a provisional patent filed earlier this year. Additionally, EMC’s recent acceptance into the U.S. Defence Industrial Base Consortium (DIBC) opens doors to non-dilutive funding and strategic collaborations aligned with defence industry needs. The company is well-capitalised following a $4 million placement in August 2025, ensuring the drilling program and subsequent project development activities are fully funded.

Next Steps and Project Outlook

The current drilling program includes approximately 25 reverse circulation holes and two diamond drill holes, which will provide core samples for metallurgical and geotechnical studies. Assay results are expected by mid-November 2025. Following this, Everest Metals plans to advance bench-scale optimisation, complete an engineering scoping study, and progress environmental assessments. By 2027, the company aims to have a pilot plant operational and deliver a prefeasibility study, moving closer to commercial production.

Market Context and Growth Potential

Global rubidium demand is forecast to grow at a compound annual growth rate of approximately 5.5% through 2032, driven by rapid technological innovation and supply constraints. While China currently dominates production, limited high-grade resources worldwide create a supply gap that projects like Mt Edon are well-positioned to fill. The inclusion of cesium assessment in the drilling program also reflects strategic foresight, as cesium resources face depletion and rubidium offers a viable alternative in several applications.