This is the common name for purple crystalline quartz. Amethyst has been valued by many cultures throughout history. It can be helpful to someone suffering from bad dreams, assist in protecting against self-deception, and used to maintain a clear mind. Symbolizing humility and spiritual wisdom it can be an aid during meditations or worn by spiritual healers to transfer blessings. Amethyst, the birthstone of February, is associated with the planet Saturn and resonates with the Crown Chakra (Pineal Gland).