Amethyst Geode. Amethyst heals and calms the mind as it clears, opens and balances the crown chakra. It holds the white light of protection and transmutes negativity into love. Facilitates divine connection with spirit guides. Keep in the home for peace and under the pillow as sleep remedy and to keep away bad dreams. Approximately 5 3/4 inches tall, 3 1/4 inches wide, and 3 inches deep.