Discover the meaning behind 8 popular crystals, from amethyst to rose quartz, and why many people use them for mindfulness, ...

Crystals have been used for centuries to ward off evil and introduce happiness, laughter, and prosperity. These precious stones are often worn in the form of pendants, bracelets, and rings and may ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American "The stone is an amethyst; but I, the tipler ...