"Any possibility can be your reality," is an affirmation that best represents Amethyst's energy. Containing qualities of purification and protection, this crystal is especially powerful for those under the signs of Virgo, Capricorn, Aquarius, and Pisces. It is known to help with physical issues involving the immune system, but also to aid in healing us from addictions. Interestingly, Amethyst is also thought to affect our dreams, so if you have been suffering from a particularly bad set of night visions, try wearing amethyst on your body, or keeping it under your pillow for protection against nightmares, and to bring on softer, more positive dreaming. As its primary chakra is the Third Eye Chakra, meditating upon that area could be particularly beneficial before heading to bed for the night.