One mine in North Carolina is world's only source of high-purity quartz for chipmaking

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John Clark

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Nov 12, 2025, 9:17:48 AM (yesterday) Nov 12
to ExI Chat, extro...@googlegroups.com, 'Brent Meeker' via Everything List
The U.S. is the source of natural high-purity quartz for chipmaking for the entire world, specifically one particular mine in North Carolina; it's rarer than rare earth materials. China is trying to change that. 


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