Amethyst Cluster, Amethyst is a variety of quartz. It occurs in crystalline form and massive chunks. Amethyst is produced by the presents of manganese in clear quartz. The amounts of iron content varies the purple color. Metaphysical Beliefs, Amethyst is a stone of transformation. It facilitates the transformation of lower energy into higher frequencies. Amethyst is also known as a stone of meditation, bringing spirituality, and contentment. It is said to balance the intellectual, emotional, and physical bodies providing a clean connection between the earth plane and other worlds. It helps clear the aura, transmuting and stabilizing dysfunctional energy. Amethyst is associated with the Third Eye and Crown Chakras. Astrological Signs are Virgo, Capricorn, Aquarius, and Pisces. Number Vibration is 3.