With interest in crystal skulls at a new high thanks to the latest Indiana Jones movie, the US National Museum of Natural History unveiled its own crystal skull July, along with a documentary film on cable TV'S Smithsonian Channel. The quartz skull, a milky white giant weighing 14 Kg & 25cm high, arrived at the Smithsonian in 1992 with an anonymous note saying it was purchased in Mexico in 1960 & was Aztec in origin. Crystal skulls have been a mystery since they first started appearing in prestigious museums & auction houses, including Tiffany & Co in the early 20th century. With no scientific evidence to prove otherwise, the skulls were widely accepted as artifacts from the era before Christopher Columbus arrived in the Americas, created by native cultures such as the Mayans & Aztecs who practiced human sacrifice. H
