The attention in Brazilian rare earths has gone to the deals: Washington’s $2.8 billion purchase of Serra Verde, Beijing naming the buyer, the whistleblower window that opened on July 1. This desk has covered each. The quieter story is what the country’s junior explorers are pulling out of the ground while those fights play out. On July 23 Brazilian Rare Earths declared a new heavy rare earth district, and on July 30 its bauxite-gallium spinout lists in Sydney. Both sit on inputs the AI buildout leans on, the magnets in data center drives and cooling, and the gallium behind the GaN chips in server power supplies, and both are still Brazilian owned.

What’s happening

Brazil angle

This is the part of the chain no acquisition has locked up yet. Yttrium makes up roughly 48 to 53% of total rare earth oxides across BRE’s main intervals, with one peak interval carrying about 58 kg of Y2O3 per tonne [Brazilian Rare Earths, July 23, 2026]. Heavy rare earths, dysprosium and terbium above all, are the elements China separates most exclusively and the ones that keep magnets stable at the temperatures inside motors and drives. A district that carries them in bedrock, in Brazil, is a different asset from a single mine already under foreign offtake.

The Amargosa spinout is the more novel piece. Gallium is recovered from bauxite and alumina refining, and China accounts for roughly 95% of it [Rare Earth Mining, July 1, 2026]. As this desk noted in June, Brazil refines bauxite at scale and recovers none of the gallium inside it. A listed vehicle with its own board and A$50 million of fresh capital does not close that gap, but it is the first time the Brazilian gallium option has had a market price attached to it. The material sits under the GaN power electronics moving into hyperscaler power supplies.

The wider pipeline keeps filling in. Viridis Mining and Minerals signed a non-binding letter this year to supply mixed rare earth carbonate to Belgium’s Solvay and plans a roughly $360 million plant producing 15,000 tonnes a year from 2028, after an EU commissioner toured its Pocos de Caldas site on June 20 [The Rio Times, June 23, 2026].

US and China angle

The contrast with the majors is the point. USA Rare Earth’s $2.8 billion Serra Verde deal, announced in April and expected to close this quarter, routes the only producing Brazilian mine into a 15-year US government-backed offtake [The Rio Times, April 20, 2026]. The BRE and Alurion assets are earlier and smaller, but they are floating on public markets rather than disappearing into a single buyer’s supply chain.

China’s hand is the established backdrop, not fresh news. The July price surge landed alongside the reporting mechanism Beijing opened on July 1 and the June additions of MP Materials and USA Rare Earth to its export control list [Morgan Lewis, July 1, 2026]. The two-track read still holds: Beijing suspended its ban on gallium and germanium exports to the US until November 27, 2026, even as it tightened enforcement everywhere else [Fastmarkets, November 11, 2025]. Owning the ore was never the hard part.

What it means

The desk’s Sovereignty 50 concentration indicator was last published at 118.9, up 14.6% for the year, the direction you expect when the market keeps repricing single-country supply risk [Tantalum indexes, as of May 22, 2026]. The Southern Diversification Index, by contrast, sat at 96.1, down 3.9%. The structural case for Brazilian, Andean and African supply, from Monte Alto to Chile’s SQM, Angola’s Pensana and Mozambique’s Syrah, is strengthening even as the equity basket tracking those producers lags. These are thematic indexes with editorial weights and no backtest yet, so read the divergence as a tension to watch, not a verdict. Brazil keeps announcing rock. The contest is still the separation, metallization and magnet steps that run through China.

What to watch