The minerals include yttrium oxide, which is crucial for manufacturing jet engines and semiconductors. Inside China, one kilogram costs a mere $9. But outside of China? $1,150. China’s rare earth export controls — imposed partly in response to new US tariffs — are now threatening global supply chains. Japan has warned that it could run out of some of these minerals by the end of the year.
Hard Numbers
Rare earths aren’t so rare in China
Lottie Tellyn
By Lottie TellynOctober 20, 2026
Lottie Tellyn
Lottie is a reporter at GZERO, where she covers all things geopolitics for the website and daily newsletter. Before moving to the US, she reported for The Times and Sunday Times of London, writing about everything from sports and travel to foreign affairs and breaking news. Lottie has a bachelor’s in Politics, Philosophy and Economics from Oxford University, and a master’s in journalism from Columbia University. Originally from Hampshire, England, she now lives in New York, where she can usually be found inviting far too many people round for dinner, out running in the park, and trying to remember to drive on the wrong side of the road.
