Selenite Heart is approximately 1 1/2 to 2” in size. Selenite is one of the crown chakra crystals and is often referred to as “liquid light" among crystal connoisseurs. Selenite is known for its powerful healing and energizing properties. Used to clear negative energy or energize you and/or other crystals. Along with its use to help clear negative energies from the world around us and/or the negative energy of others, selenite helps us find a greater sense of protection and clarity.