Eye agate is formed from water-deposited mineral inside rock voids. The result can be the creation of a very spooky specimen that attains legendary properties.
Examining the claims from the owners of a crystal mine tourist site in Arkansas who say that strange anomalies, including balls of light and levitation, occur on the site.
A common twinning habit of the mineral staurolite results in cross-like crystal formations and guarantees it will be perceived as magical. It’s common in Fairy Stone State Park in Virginia.