These selenite crystals are shaped into a sphere approximately 3 inches across. Selenite is a very soft mineral that breaks and scratches easily. It is also slightly water-soluble. Selenite carries a very gentle transformative energy and is a perfect tool when we are going through a personal transformation. It can help flush out what is no longer serving us and make way for bright new aspects to come in. It is also said to clear out negative energy from other crystals.