There are many different types of crystals, each with its own unique ... Amethyst is a purple quartz that has been used for centuries for its healing properties. It is believed to be helpful ...

Chalcedonies include many types of cryptocrystalline quartz gems and feature a number of different colors. Geologists can tell a chalcedony from the arrangement and structure of its crystals.

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.

we would need to discover different sources for quartz and invent chemical transformations to create our own crystals, taking cues from Mother Nature’s recipe book on the way. Pure quartz ...

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 ...

Unlike mineral particles found in clouds on Earth, the quartz crystals detected ... “These beautiful silica crystals tell us about the inventory of different materials and how they all come ...