High-purity quartz mines in Spruce Pine, which Axios reported on last week, say they do not anticipate supply chain hang-ups as damage assessments continue at their facilities. Why it matters: Two manufacturers of the world's purest quartz — a rare,

The Sibelco mine in North Carolina is one of the most crucial sites to the global production of semiconductors.

The owner of a North Carolina quartz mine that’s a key source for high-purity quartz used in global semiconductor manufacturing said its operations sustained only minor damage in the wake of Hurricane Helene.