IRIS Metals Limited (ASX: IR1) has reported high-grade rubidium assay results from its 2023 and 2024 drilling programs at the Beecher Project, located in the southern Black Hills of South Dakota, USA (Figure 1). The results confirm a significant rubidium discovery alongside the project’s established lithium resource, further positioning Beecher as a multi-commodity critical minerals asset in a mining-friendly U.S. jurisdiction.

Heavy Rare Earths Limited (ASX: HRE) has reported encouraging reconnaissance rock chip sampling results from its Radium Hill Project in South Australia’s Curnamona Province (Figure). The work has outlined an extensive, 8 km-long structural corridor associated with the historic Radium Hill uranium mine, highlighting significant enrichment in scandium, yttrium, rare earth elements (REEs), uranium, and vanadium.

South Harz Potash Limited (ASX: SHP) has taken its first step toward a multi-asset growth strategy with an exclusive option to acquire the Glava Copper-Gold-Silver Project in western Sweden. Located in the Värmland Province, the project area sits within the eastern extensions of the Proterozoic Grenville Orogenic Belt, a region recognised as an emerging copper-gold district across Scandinavia, the UK, Greenland, and Newfoundland

Andromeda Metals Limited (ASX: ADN) has advanced its High-Purity Alumina (HPA) strategy, initiating pilot-scale testwork to move its proprietary flowsheet from batch trials into continuous production— using refined kaolin feedstock from the Great White Project (Figure 1)—a key step flagged in the recent HPA Scoping Study.

RareX Limited (ASX: REE) has announced a major step forward in its gallium re-assaying program at the Cummins Range carbonatite pipe, delivering the widest high-grade gallium intercept recorded at the project to date (Figure 1). This milestone follows a systematic re-assay of historical drill pulps from the 2020 infill program, aimed at unlocking the full critical metals potential of the deposit alongside its established rare earths and scandium resources.

30 June 2025 – Lightning Minerals Ltd (ASX: L1M) has announced a transformational acquisition of two advanced brownfields projects targeting gold and copper in Queensland  (Mt Turner Projects) and New South Wales (Lachlan Fold Copper Porphyry Project). The acquisition of Lotus Minerals Pty Ltd significantly strengthens the Company’s portfolio and introduces immediate drill targets in some of Australia’s most mineral-endowed regions.

Resouro Strategic Metals Inc. (ASX: RAU) is a recently listed company, having debuted on the ASX on 14 June 2024. While many early-stage mineral exploration companies spend their first year positioning and reshaping project narratives, Resouro has wasted no time in generating substantial technical momentum and government-level recognition.

When a company like Terra Uranium Limited (ASX: T92) steps beyond its uranium roots and into the high-stakes world of critical minerals, it’s worth paying attention. The latest move—acquiring the Glen Eden Project in New South Wales—signals more than just portfolio diversification. It’s a calculated entry into a sector underpinned by global strategic demand, rising prices, and tightening supply chains.

The narrative around critical minerals is no longer just a story of energy transition. It has become a complex intersection of economics, security, diplomacy, and market psychology. At first, it was about rare earths and lithium. Now the ripples have spread across copper, gold, iron ore, antimony, and more.

When it comes to development-ready assets, timing is everything. Larvotto Resources has just released a highly compelling Definitive Feasibility Study (DFS) for its Hillgrove Antimony-Gold Project in New South Wales—and it’s arrived at the right time. Gold prices are flying. Antimony prices are surging. Even tungsten is starting to catch a bid. Hillgrove is set to become a key player in a world hungry for critical minerals and strategic metals.