Marble and quartz, two darlings of kitchen countertops, share similarities as time-tested surfaces that add value as an investment to your house. But there are five key difference ...

NASA’s Perseverance rover found large crystals of quartz with a high purity on Mars, which probably had to have formed in the ...

The maker of quartz surface slabs posted revenue of $97.9 million in the period. For the year, the company reported a loss of $42.8 million, or $1.13 per share. Revenue was reported as $443.2 million.