How Crystal Skulls Work
To some people, a crystal skull is simply an object carved from quartz crystal in the shape of a human skull. They can be clear or colored crystal, and they range from crudely carved to incredibly detailed. Some crystal skulls are just a few inches in diameter, while others are life-size. Whether you find them beautiful or creepy, many crystal skulls are representations of amazing craftsmanship.… » Full Story on HowStuffWorks
