How To Use Amethyst To Calm Your Anxiety, Fear, & Depression Many gem enthusiasts have a special place in their hearts for the stone amethyst. It's easy to understand why so many people are drawn to this gemstone with its seductive violet and purple tones. Amethyst is the most well-known crystal in the world because it is more than just a pretty face; it also has a long history, solid spiritual qualities, and a distinct energy. The Greek word "amethystos," which means "not drunk," is where the name "amethyst" originates. Historically, amethyst was believed to protect the wearer against intoxication and various forms of negative energies.