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The world's semiconductor industry hinges on a single quartz factory in North Carolina
(www.tomshardware.com)
This is a most excellent place for technology news and articles.
The article’s implication is that not all quartz is the same quality. Are you saying that’s incorrect? This list seems irrelevant otherwise.
The article is correct. High purity quartz is necessary for semiconductors, not all quartz meets this standard.
https://media.tenor.com/s1wnF2DiWA0AAAAM/skeptical-futurama.gif