Most non-electronic-grade quartz, known as lascas, is harvested from open-cast mines. Overburden is stripped ... These sheets, cut to the proper crystal orientation for the desired piezoelectric ...

Quartz is a common mineral that is easy to find andcompared to natural stoneeasy to mine. There’s no need to cut countertop-size slabs directly from the ground and transport them over large ...

In the storm’s aftermath, many nationwide inquired about the status of the local quartz mines that are critical ... the semiconductor wafers that get cut into chips, purity is essential.

So how'd the Smithsonian land a giant quartz? More from Big Business As crystals explode in popularity, collectors are paying millions, cutting museums out of the industry. So how'd the ...