Tearing apart the gallium chokepoint

Gallium.

The metal nobody outside a semiconductor fab has heard of, and the one sitting underneath every 5G base station, every military radar array, and every AI data center laser Nvidia is scrambling to secure. Bloomberg ran a piece this week about the Pentagon's $174 million investment in an Alcoa gallium plant in Western Australia. CNBC framed it as "diversification progress." The trade press is running quiet victory laps about supply chains "de-risking."

Here's what none of them said: that plant, if everything goes perfectly, produces 100 tonnes a year. Global demand is approaching 900 tonnes. China makes 99% of it. And the trade truce keeping the export tap cracked open expires in seventy-eight days.

Gallium is not mined. It's a byproduct of aluminum refining — recovered from the sludge at the bottom of the Bayer process. No one builds a gallium mine because gallium mines don't exist. You get gallium when you make alumina. China refines more alumina than everyone else combined, so China recovers more gallium than everyone else combined. That's not a policy choice. It's thermodynamics and industrial scale.

The rest of the world dismantled its recovery capacity over two decades because Chinese supply made it uneconomic. Germany, Hungary, Kazakhstan, Ukraine — all had gallium facilities. All shut down. The equipment is gone. The engineers retired. The know-how didn't get passed down.

It's like outsourcing your nervous system and then being surprised when someone else controls your reflexes.

Story off. Numbers on.

Global primary gallium production in 2025: approximately 900 tonnes. China: roughly 890. Japan and Russia combined: about 9. High-purity refined gallium, the grade semiconductors actually need, runs at about 320 tonnes globally — spread across China, Japan, Canada, Slovakia, and one refinery in New York State running on imported feedstock and recycled scrap.

When China imposed export licensing in August 2023, gallium was $340 per kilogram. Three years later, Rotterdam spot hit $3,050. That's not a spike — it's a staircase. Each step higher as another layer of Western inventory drained out. The first eighteen months were tolerable because companies drew down stockpiles. Those stockpiles are gone. The acceleration from the second half of 2025 is real demand hitting a spot market with nothing behind it.

The trade truce suspended the US-specific ban in November 2025. But the general licensing regime never went away. Japan received zero gallium from China in January, February, and June of this year. One single shipment in May. Zero dysprosium, zero terbium, zero yttrium in June. The tap isn't open. It's dripping.

And the byproduct trap is the engine of the whole imbalance. Normal price signals don't work here. Gallium goes up 9x and production doesn't respond — because gallium output is governed by alumina demand, not gallium demand. Price and supply are structurally decoupled.

Every Western alternative project — Alcoa Wagerup in Australia, METLEN in Greece, ElementUS in Louisiana, Rio Tinto in Quebec — is retrofitting recovery onto existing aluminum operations. Combined announced capacity: roughly 190 tonnes per year. Against 900 tonnes of demand. None arrives before 2027 at the earliest.

The structural deficit doesn't close. It narrows from catastrophic to merely severe.

Seventy-eight days.

That's the window until the US-China trade truce expires on November 27. If it lapses without renewal, Beijing can reimpose the full gallium export ban to the United States overnight. The legal framework never went away. It's sitting on a shelf, fully drafted — Article 2 of Announcement No. 23 — waiting for a pen.

But the weak link isn't the truce itself. It's what's happening underneath it, in the compound semiconductor supply chain that feeds AI infrastructure.

Indium phosphide. The substrate material used in the lasers that connect servers inside AI data centers. Every optical transceiver Nvidia needs for its next-generation clusters runs on InP lasers. China restricted indium exports in February 2025. Lumentum and Coherent together cannot meet demand from Nvidia and the hyperscalers, whose orders shifted from hundreds of lasers to hundreds of millions.

Nvidia's response: $4 billion — $2 billion each into Lumentum and Coherent — with purchase commitments and capacity access attached. That's not a strategic investment. That's a panic buy dressed in a press release.

The machines on Wall Street see "AI capex" and buy the GPU story. They don't see the feedstock layer underneath. Gallium arsenide for the power semiconductors. Gallium nitride for the 5G RF front-ends. Indium phosphide for the optical interconnects. Three compounds, all sourced from a handful of Asian refiners, all subject to export controls that tighten every six months.

I watched the rare earth panic of 2010 play out in slow motion. The setup was identical — one dominant supplier, a licensing regime everyone assumed was performative, and an industry that had outsourced so completely it forgot what dependency meant. Gallium today makes that look like a rehearsal. At least rare earths had deposits in multiple countries. Gallium doesn't have deposits anywhere. It only exists as a ghost inside someone else's ore.

And the regulatory net keeps expanding. Gallium and germanium in August 2023. Graphite in December. Antimony in September 2024. Tungsten, tellurium, bismuth, molybdenum, indium in February 2025. Seven rare earths in April 2025. What started as export controls on two metals has become a surface-area blockade across the entire advanced manufacturing feedstock chain. Each escalation was a response to a US semiconductor restriction. The pattern is not subtle.

The sequence is mechanical.

If the truce lapses, the US-specific gallium ban snaps back immediately. Rotterdam spot, already at $3,050, reprices toward $4,000–5,000. Downstream wafer fabs nursing thin inventories face hard allocation. AI data center buildout timelines slip — not because GPUs aren't available, but because the lasers connecting them aren't. The $4 billion Nvidia threw at optical supply was a bridge to nowhere if the feedstock underneath it disappears.

If Beijing tightens further — extending controls explicitly to Japan or the EU, or activating the extraterritorial provisions on Chinese-origin content drafted in October 2025 — the cascade extends to every 5G base station, every electronic warfare system, and every EV power inverter running on gallium nitride.

The GaN semiconductor device market alone is growing at 27% CAGR toward $12.5 billion by 2030. The demand curve is set. The supply curve has a single point of failure, and that point answers to Beijing.

Where does capital go? Not into the broad semiconductor ETFs. Those are diluted with companies that never touch the compound feedstock layer. The edge — if there is one — sits in two tiers. First, the downstream chokepoint holders: Lumentum and Coherent, already backstopped by Nvidia's $4 billion and positioned at the InP laser bottleneck. AXT, which grows GaAs and InP substrates but has Chinese joint-venture exposure that cuts both ways.

Second, the upstream recovery plays that are tiny today but become strategic the moment the truce clock hits zero: Alcoa's Wagerup project backed by the Pentagon, METLEN in Greece with EIB financing, Blue Moon Metals sitting on the Apex gallium-germanium mine in Utah, ElementUS pulling gallium from 30 million tons of bauxite residue in Louisiana. These are lottery tickets with improving odds.

Physical layer says shortage. Policy layer says seventy-eight days. The paper market hasn't connected the two yet. In my experience, it will — violently, and late.