How To Use Amethyst To Calm Your Anxiety, Fear, & Depression 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. The stone was also associated with the god Bacchus, who was often carved into cups and other drinking utensils.