Selenite is a high vibration crystal that connects to the angelic realm. It brings light to any enviornment it is placed in. Cleanses the aura of negative energy & brings clarity of mind. If put under your bed it aligns your spine. It greatly magnifies the energy of any gemstones which is placed upon it.
Chakra: Crown & Third Eye
Cleanse: Sage & Palo Santo
 
Disclaimer: I am not a medical professional. All information provided is what the Crystal Healing community commonly use gemstones for. Please, still consult your doctor for any medical necessities.