What is a crystal ball made up from?

Question

What is a crystal ball made up from?

Answer 1

...........

crystal

Answer 2

crystals are rocks that are formed when the molecules of silica or whatever minerals are lined up and essentially frozen into a grid pattern.

this is how I understand it

Answer 3

A crystal ball is a crystal or glass ball believed by some people to aid clairvoyance. It is sometimes known as a shew stone. A body of water, either in a container or on the ground, used for this purpose, is called a scurrying pool.

Answer 4

A true crystal ball is made of silica (SiO2), by grinding and polishing a sphere from a single clear quartz crystal.

But this is rather expensve, so most today are made of glass or even plastic, by molding the material into a sphere then grinding/polishing if necessary.

Answer 5

Usually Quartz (Silicon Dioxide)