A seemingly inexhaustible supply of the six-sided crystals, many of them tap-water clear, often appearing as clusters, occurs in the gritty, red-clay soil of the “quartz belt,” a roughly 30 ...

A unique moss species thrives underneath translucent quartz rocks in the hot, dry Mojave Desert while its neighbors shrivel. UC Berkeley / Kirsten Fischer Despite what wellness gurus may say, no ...

A 7-foot-tall, 8,000-pound slab of quartz crystals found in the Ouachita Mountains was unveiled last week at the Smithsonian National Museum of Natural History.