The crystal ball, also known as an “Orbuculum”, is a crystal or glass ball used to trigger clairvoyance and perform scrying in particular and is considered as a basic Divination tool. They are also used though, by practitioners, as meditation tool, or even “charging devices” as you can easily charge the orb with a specific energy and place the ball where it is needed. Works great near the bed of a kid with flu! 😉
.