Opal healing crystals are helpful for enhancing dream work and assisting with spiritual journeys. Opals can also be used to stimulate change and manifest your ideas and expressing your true self. Physically, Opals have also been associated with improving circulation. Blue Opals can help open up the Third Eye and soothe the Throat Chakra. Yellow Opals can provide a nice energy boost and help address emotional issues, while Green Opals help support the Heart Chakra.