The quartz mines in Spruce Pine, owned by Belgian mining company Sibelco and the local Quartz Corp, supply 80 to 90 percent of all high-quality quartz in the world, per CNN’s Clare Duffy and ...

Helene takes ultrapure quartz mines offline, threatens tech supply chains Spruce Pine, NC contains largest known deposit of high-purity quartz. Tommy Greene, wired.com – Oct 2, 2024 9:12 am | 76 ...

Spruce Pine's quartz is renowned for its purity, which makes it crucial for the production of silicon wafers (well, containers for melting silicon to grow silicon ingots), precision optics, light ...

Even when the mines get their production fully back up and running, damaged infrastructure could make it hard to ship the quartz to its customers. The CSX rail line that runs to Spruce Pine and was ...

Christopher Voisey concludes that these findings, though surprising, open up new perspectives for mining exploration. Geologists may now be able to track quartz's electrical signals to locate ...

Hurricane Helene tore through North Carolina over the weekend, causing widespread devastation. The storm has temporarily closed a one-of-a-kind mine in the town of Spruce Pine, and it could have ...

(Bloomberg) -- Two North Carolina mining operations that produce more than three-quarters of the world’s high-purity quartz, a material critical to the solar and semiconductor industries, have ...

Hurricane Helene has halted North Carolina mining operations producing high-purity quartz used to make silicon wafers for semiconductor manufacturing. Operators Sibelco and Quartz Corp. both shut ...

The mines, located in Spruce Pine, North Carolina (around 50 miles northeast of Asheville, North Carolina), are home to some of the purest quartz, which is a critical input in semiconductor ...

Images verified by NPR show that even if the mines are intact, getting quartz out of the region may be a challenge. The main CSX rail line in and out of Spruce Pine runs along the North Toe River ...

The quartz mines are principally within an area of six miles long and four miles wide. The lodes have a common direction, tending North and South, and crop out boldly on the surface, ...