Sibelco, one of the companies mining high-purity quartz in Spruce Pine, North Carolina, has resumed operations. In an update ...

SPRUCE PINE, N.C. (AP) — Two North Carolina facilities that manufacture the high-purity quartz used for making semiconductors ...

High-purity quartz is one of the few critical minerals dominated by the US, with the bulk of global production located around just one town in North Carolina. The Chinese discoveries, made several ...

was able to restore limited service from Spruce Pine south toward Charlotte and South Carolina last fall. In January, it reached a key customer, The Quartz Company, just north of Spruce Pine.

There are 44 bunkers on the course that are filled with spruce pine sand. This type of sand is named after a mining district in North Carolina, and it isn't actually sand. This quartz is a waste ...