Selenite Crystal Puff Heart. This is a beautiful crystal. The ancient greeks named it after the moon. Selenite is renowned for its healing and cleansing abilities, as it helps to purify the air and energy in any room.This selenite Heart can be placed in your hands while healing or in meditation space to bring calm and serenity. It can be used to connect in with the angelic realm. It’s also said to be a self cleansing crystal ,so it can be used to cleanse other crystals too. Place selenite in a bowl with other crystals.