Here are some of the best crystals you can carry ... improve your luck with money. Green quartz is famous for its association ...

As a versatile crystal, Clear Quartz’s purifying properties ... Imbued with its striking deep blue color, Lapis Lazuli is a ...

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.

Pure quartz crystals have been spotted on Mars for the first time, as well as other gems like opal. Researchers say these crystals, as well as being evidence of past hydrothermal activity ...