Search for Selenite Moon Star Sun Charging Disk online at Crystal Export. Selenite, also known as satin spar, desert rose, or gypsum flower are four crystal structure varieties of the mineral gypsum. These four varieties of gypsum may be grouped together and called selenite. Selenite 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. Star moonstone is a gem quality variety of orthoclase feldspar, a potassium aluminum silicate known as moonstone which exhibits a rare asterism effect under specific lighting. Moonstone owes its name to the almost magical, bluish-white shimmer that closely resembles the appearance of the moon. These Selenite charging disks are beautiful with amazing energy.