The name Selenite comes from the Greek word for moon and means “moon glow," and these Selenite spheres do glow with a shimmery, pearl-like luster. ... The powerful vibration of Selenite can clear, open, and activate the Crown and Higher Chakras and is excellent for all types of spiritual work or meditation.
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.