Selenite is a chemical powder that has many uses in industries as well as homes. This white, cloudy powder has cleansing power. The selenite chemical powder finds use in ceramic industry. This chemical powder is added in paint, as it is believed to bring positive energy. This powder is safe to use in your salt bath, as it promotes relaxation and reduces stress. Some people also sprinkle this powder in the entrance of their homes, so that their homes impart welcoming energy. It also brings peace.