Illustration: Henry Wong
Illustration: Henry Wong

A rare form of quartz is key to Xinjiang’s solar boom, and almost all of it is in the US

  • The US has cracked down on the Chinese region’s solar industry, citing human rights, but hasn’t tried to leverage its own near monopoly in high-purity quartz
  • The raw material is vital to the low-cost mass production of polysilicon, the prime ingredient in solar panels

Topic |   US-China relations
Illustration: Henry Wong
Illustration: Henry Wong
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