Latest Caesium News

Perpetual Resources has confirmed a significant lithium-caesium-tantalum pegmatite discovery at its Renaldinho Project in Brazil, with rock samples grading up to 2.56% lithium oxide. This early-stage find positions Renaldinho as a key focus for upcoming drilling campaigns.

PMET Resources reports significant new lithium and caesium discoveries from its 2025 drilling campaign at the Shaakichiuwaanaan Property, reinforcing its position as a key North American critical minerals project.

Charger Metals NL has retained 100% ownership of its Lake Johnston Lithium and Gold Project after Rio Tinto Exploration withdrew from their farm-in agreement. The company plans an expanded drilling campaign in early 2026 to grow its maiden lithium resource.

Patriot Resources advances its Gorman Lithium Project in Ontario, securing drill permits and confirming a high-grade lithium system within a proven strategic district.

Everest Metals Corporation has reported impressive rubidium assay results up to 0.79% Rb₂O from its Phase 2 drilling at the Mt Edon Critical Mineral Project, reinforcing the potential for resource expansion ahead of a planned upgrade in early 2026.

Perpetual Resources has identified a new lithium-bearing pegmatite trend exceeding 400 metres at its Mauricio Target in Brazil’s Lithium Valley, reinforcing the potential for multiple mineralised bodies within its Igrejinha Project. The company is intensifying exploration activities ahead of planned drilling in 2026.

PMET Resources reports a positive feasibility study for its flagship Shaakichiuwaanaan lithium project, revealing a maiden mineral reserve and advancing environmental and exploration milestones.

Perpetual Resources has certified exceptionally high caesium grades up to 28.3% Cs2O at its Morro Grande prospect in Brazil’s Lithium Valley, reinforcing its potential as a major critical minerals source.

Battery Age Minerals has advanced its exploration with maiden drilling at Austria’s Bleiberg zinc-germanium project and secured approvals for gold-silver drilling in Argentina, while expanding its North American footprint with a new germanium-gallium asset in Utah.

Charger Metals NL has reported a maiden inferred lithium resource of 8.2 million tonnes at its Lake Johnston project, backed by Rio Tinto's $1.1 million exploration funding. A new drilling program is underway, aiming to expand lithium and gold prospects in Western Australia.

Berkeley Energia reports promising lithium and rubidium recoveries from its Conchas Project in Spain, while its subsidiary pursues a $1 billion arbitration claim against Spain over regulatory hurdles at the Salamanca uranium project.

Cassius Mining Limited reports steady progress on its Soalara Limestone Project joint venture discussions and updates on its international arbitration case against Ghana, while raising $250,000 through share and convertible note issuances.