That incident set off a race to find alternative supplies from China. Output in Australia and the US subsequently increased, pushing China’s share of mining output down to 70% of global supply in 2022 from a peak of 98% in 2010, according to the US Geological Survey.
China currently accounts for about 94% of the world’s gallium production, according to the UK Critical Minerals Intelligence Centre. Still, the metals aren’t particularly rare or difficult to find, though China’s kept them cheap and they can be relatively high-cost to extract.
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