This Beautiful Selenite Heart bowl removes negative and stagnant energy and purifies the air aswell as being the easiest most potent way to cleanse and purify crystals at the end of each wear. Simply place your crystals in the bowl for atleast 10 minutes or while you sleep to draw away and cleanse your crystals of any energy they may have absorbed from you while wearing. This is important so as not to carry any negativity into the next day.