Latest Caesium News

Delta Lithium has commenced drilling at its expansive Yinnetharra Lithium Project while preparing a resource update for Mt Ida that includes promising rubidium co-product potential.

Perpetual Resources’ maiden drilling at the Igrejinha Project confirms a fertile polymetallic lithium-caesium-tantalum system with grades surpassing global mining benchmarks. The discovery validates its strategic foothold in Brazil’s Lithium Valley and sets the stage for expanded exploration.

PMET Resources has successfully produced marketable tantalite concentrate from waste streams at its Shaakichiuwaanaan lithium project, signaling a promising new by-product revenue stream alongside lithium.

Native Mineral Resources has identified 15 promising new gold exploration targets at its Blackjack Gold Mine in Queensland following a detailed drone magnetic survey, setting the stage for drilling in November 2025.

Charger Metals has secured approvals for a significant 4,600m drilling campaign at its Lake Johnston Lithium and Gold Project, fully funded by Rio Tinto Exploration. This move aims to build on recent resource milestones and explore new lithium targets in Western Australia.

Everest Metals has received $150,000 from the Minerals Research Institute of Western Australia to advance rubidium extraction at its Mt Edon project, aiming to establish Australia’s first commercial rubidium industry and reduce reliance on Chinese supply chains.

Sayona Mining has significantly increased the Mineral Resource and Ore Reserves at its Moblan Lithium Project in Quebec, reinforcing the project's long-term viability amid rising lithium demand.

Perpetual Resources has reported exceptional preliminary caesium oxide grades up to 30.11% at its Igrejinha prospect, underscoring the strategic potential of this rare mineral amid constrained global supply. Certified assays and maiden drilling results are anticipated soon, promising to clarify the project's economic outlook.

Patriot Battery Metals has reported a significant mineral resource upgrade at its Shaakichiuwaanaan Property, reaffirming its position as a leading lithium and caesium explorer. The company also progressed its lithium-only feasibility study and environmental assessments while maintaining a strong financial position.

Battery Age Minerals has confirmed significant concentrations of rubidium, caesium, tantalum, and gallium alongside strong lithium grades at its Falcon Lake project, highlighting substantial exploration upside.

Perpetual Resources has reported multiple large-scale lithium pegmatite intersections at its Igrejinha Project in Brazil, highlighted by a significant >40m intercept with visible spodumene. Assay results are awaited to confirm the discovery's potential.

Rapid Critical Metals has secured a major exploration licence in New South Wales, expanding its landholding 26-fold and strengthening its position in a prolific silver district. This move connects its Webbs Silver Project with Lode Resources’ assets, setting the stage for new discoveries.