From its etymology, the bull's eye stone was so named because of its chatoyancy with the bull's eye. It is very common to see this stone also called bull's eye. The bull's eye is actually a tiger's eye with a dominant brown and red color. Its color is due to the fact that it has been heated more than tiger's eye, which also explains its splinters.

From its rather fibrous structure, the bull's eye stone is a cold stone energetically. The bull's eye belongs to the group of quartzites, or microcrystalline quartz. Its hardness is 7 and its density is between 2.58 and 2.66.

The main deposits of bull's eye are located in South Africa, Australia, Burma, Brazil, China, the United States, India and Namibia.