St George Mining’s Shares Soar as Rare Earths and Niobium Prospects Expand
St George Mining Limited (ASX: SGQ) has been one of the standout performers on the ASX, with its share price soaring sharply over the past year amid strong investor interest in its rare earths and niobium assets. The company’s stock has rallied significantly in 2025 as markets react to exploration success and strategic investments supporting its flagship Araxá Project in Brazil — a globally significant rare earths and niobium deposit.
A key factor behind the share surge was a A$72.5 million capital raise, including a strategic A$22.5 million investment from mining magnate Gina Rinehart’s Hancock Prospecting, boosting confidence in the project’s development potential.
The Araxá Project hosts a high-grade mineral resource with millions of tonnes of rare earth oxides and niobium, and recent drilling continues to deliver positive results, including high-grade intersections beyond the current resource envelope.
With rare earths and niobium in rising demand for electric vehicles, renewable energy and advanced technologies, St George’s strong market performance reflects growing optimism around its role in supplying critical minerals outside traditional Chinese sources

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