More than one of our readers suggested we highlight this beautifully-shot process documentary about the laborious and precise manufacturing of piezoelectric quartz crystals in the early 1940s.

The Crystal Company calls smoky quartz “a cup of tea for your soul ... to quiet that noisy mind of yours while keeping you sharp and focused. Known as the Stone of Awareness, it helps ...

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