A crystal ball is a large sphere of glass used in [[divination]]. The practitioner stares into the ball until images allegedly appear in it. It is the most popular form of [[scrying]], but other implements can be used instead such as a mirror. | A crystal ball is a large sphere of glass used in [[divination]]. The practitioner stares into the ball until images allegedly appear in it. It is the most popular form of [[scrying]], but other implements can be used instead such as a mirror. |