This must have cleansing bowl is made out of Selenite. As Selenite cleanses other crystals, you can use this bowl to cleanse your collection by placing them inside it.
Named after the greek goddess of the moon Selene, Selenite crystals are white in colour and have many healing and mystical properties - it is a crystallized form of Gypsum, which is used for good luck and protection. The powerful vibration of Selenite can clear, open, and activate the Crown and Higher Chakras and is excellent for all types of spiritual work. Selenite can also be used to strengthen the memory.