Rare-earth elements (REEs) — the seventeen lanthanides plus scandium and yttrium — are essential to permanent magnets, EV motors, wind-turbine generators, and a long list of defense applications. They're often described as a Chinese monopoly. The reality is more specific: China dominates processing, not mining, and the two are very different industrial problems.
Mining is widely distributed
Of the ~250,000 tonnes of REE oxide mined globally each year, China produces roughly 60 %. The US (Mountain Pass, California), Australia (Mt Weld), Myanmar (artisanal but significant for heavies), and a handful of African operations cover the rest. Greenland and Brazil have large undeveloped deposits.
The chemistry of rare-earth ores is the actual problem. Mining is straightforward — what's hard is the multi-stage solvent-extraction processing that separates the seventeen elements from one another at the purity required for magnets and electronics. This is where China holds 85–90 % of global capacity.
Why processing is hard to relocate
- Environmental cost. REE separation produces large volumes of acidic and mildly radioactive waste (thorium and uranium associated with the ore). Western environmental regimes make permitting hard; China's dominance is partly a function of historic willingness to absorb this cost.
- Capital intensity. A new separation plant costs $500 M-$1 B and takes 5-7 years to commission. The economics only work at scale, which requires offtake commitments most Western buyers won't sign because the historical Chinese pricing has been used to crush competitors.
- Tacit knowledge. The Bastnäsite ore from Mountain Pass and the Bayan Obo deposit in Inner Mongolia have different mineralogies. Process recipes don't transfer directly. Engineers with decades of separation experience are concentrated in one country.
What the policy responses are doing
The US Defense Production Act has funded MP Materials' Las Vegas separation facility (commissioned 2023) and Lynas' Texas facility. Australia subsidized Lynas' Kalgoorlie expansion. The EU's Critical Raw Materials Act sets a target of 40 % strategic-materials processing inside the bloc by 2030 — ambitious given the timeline.
The recurring question is whether these projects survive a Chinese decision to flood the market with low-priced separated oxides, which has been the historical playbook. Subsidy mechanisms now include floor pricing, but legal structures around floor prices interact poorly with WTO rules.