These beautiful carved quartz crystal, rock and stone skulls are made from many stones including clear quartz, smoky quartz, rose quartz, bloodstone, golden tiger eye, blue tiger eye and jade. Carved skulls have intrigued mankind for thousands of years. You can find carved skull images on Mayan ruins as well as the ruins of other ancient civilizations. It is believed that 13 carved crystal skulls were programed with information needed for us to survive in the future. They were programed by superior beings and placed on this Earth to be found and utilized. Many of these skulls have already been found and hopefully the rest will be located soon. We could sure use the help!