Selenite

Selenite crystals are powerful at cleansing stagnate negative energy. This is one of the most powerful crystals you can own and often overlooked for that ability. 

You can also use selenite to cleanse the energy of other crystals by simply placing the crystals next to or on the selenite after a long day's use of your favorite crystal or jewelry pieces. 

Selenite can help connect you to the angelic realm, it is a crystal that helps promote clarity of mind, radiates divine light, and absorbs negative energy.