Selenite is said to be a powerful healing crystal that promotes peace and calm, mental clarity, and well-being. It's also believed by some that this crystal can remove negative energy and help you connect to higher realms. renowned for their cleansing and healing abilities, and can help to clear negative energy from the surrounding environment. Selenite also has calming properties which makes it ideal for meditation or spiritual work. Selenite is self-cleansing and can heal and cleanse other crystals in its’ environment.