What color crystal ball should I use for the mirror facing the window?

It's best to use a white crystal ball with the mirror facing the window. White crystal ball can enhance indoor positive energy, dissolve negative energy and play the role of exorcism. Putting a white crystal ball on the edge of the window can effectively resolve the bad gas field entering the window and play the role of exorcism. At the same time, the white crystal ball can also be used as a mirror to drive away evil spirits.