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Like, all semiconductor production may grind to a halt in six months. The entire world’s economy depends on Spruce Pine. The modern economy rests on a single road in Spruce Pine, North Carolina. The road runs to the two mines that is the sole supplier of the quartz required to make the crucibles needed to refine silicon wafers. There are no alternative sources known. From Conway’s Material World: two mines 1n Spruce Pine with a crop duster loaded with a very particular powder, you could end the world’s production of semiconductors and solar panels within six months.” No high-purty quartz means...