2024年3月24日 · Why it matters: Ultra-high-purity quartz is an essential component to semiconductor chips, and the only places in the world that can meet this need are two mines in a small North Carolina town....

2024年10月3日 · The highest-quality Spruce Pine quartz has an open crystal structure that, after rounds of treatment to dissolve impurities, can be transformed into Iota quartz—which Beiser calls the ...

2024年10月11日 · Operations at one of two quartz mines in western North Carolina resumed late this week after being shut down for more than two weeks following Hurricane Helene’s dumping of 2 feet of rain on...

2024年10月3日 · Two companies, Sibelco and The Quartz Corp., extract the high-purity quartz in Spruce Pine, refine it and export it to manufacturing facilities based primarily in China and other parts of Asia....

2024年10月11日 · Sibelco, one of the companies mining high-purity quartz in Spruce Pine, North Carolina, has resumed operations. In an update on Thursday, the company said that production and shipments of the...

Browse 425 quartz mining USGS records worldwide. Most records highlight quartz mining opportunities and activity in North America, South America, and Oceania.

2024年10月1日 · Spruce Pine is home to two mines that are a key source of high-purity quartz. This crucial material is used to make the chips that power everything from smartphones to data centers, with...

2024年10月3日 · Two North Carolina facilities that manufacture the high-purity quartz used for making semiconductors, solar panels and fiber-optic cables have been shut down by Hurricane Helene with no reopening...

2024年10月2日 · Quartz is the second-most abundant mineral in the Earth’s crust, but while it can be found across the world, quartz reserve properties—including a deposit’s size and type—vary by...

2024年3月23日 · The fused quartz from Spruce Pine HPQ offers “unparalleled optical, mechanical, and thermal properties” for semiconductors, solar photovoltaic cells, optical fiber, and quartz lighting.