Selenite wands are one of the classic tools used to clear the aura of negativity and bring in a divine influence. (Some use them to assist in detaching entities). They can be waved around the whole body without touching it.
This wand is really so smooth. As you look at the surface sometimes you think you have found a bump but it is normally just the way the light is refracting. As you move the crystal in different directions different parts of the crystal suddenly get clear or mist over. The wands are really comfortable to hold and don't feel "cold" to the touch.