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.

A slice of quartz ground to a prescribed thickness that vibrates at a steady frequency when stimulated by electricity. The tiny crystal, about 1/20th by 1/5th of an inch, creates the computer's ...

Crystals can help support emotional healing during grief and loss. Rose quartz, amethyst, smoky quartz, black onyx, lepidolite, moonstone, and clear quartz each offer unique benefits. These ...

Stone: A hard solid nonmetallic mineral matter of which rock is made, especially as a building ... admire in quartz clusters and amethyst points. The repeating pattern is called a crystal lattice ...

When we talk about crystals around here, we’re generally talking about the quartz variety used to make oscillators more stable, or perhaps ruby crystals used to make a laser. We hardly ever talk ...