The Amethyst is known as the Bishop's Stone and symbolizes piety, humility, sincerity and spiritual wisdom. Called the “All-healer,” Amethyst is one of the most effective crystals for healing people, plants and animals. They are strong energy stones containing many healing powers. This is why amethysts have always been highly regarded through the ages and is one of the most sought after healing crystals. The Amethyst meaning is spiritual growth and protection.