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Here’s the actual top 10 over exporting countries of quartz. Not even in the top 5 for the US.
1 China $72,289,000
2 Turkey $68,161,000
3 India $43,827,000
4 Spain $27,107,000
5 Brazil $26,611,000
6 United States $21,351,000
7 Germany $16,791,000
8 Italy $13,219,000
9 Canada $12,225,000
10 Egypt $10,204,000
removed by mod
They can’t use just any old piece of quartz so this info is worthless to the discussion.
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.