Obsidian mirror with reflection(Courtesy S. Campbell)
Researchers have determined that an obsidian mirror believed to have been owned by the sixteenth-century English polymath John Dee originated in the Aztec world. Dee served as a scientific adviser and astrologer to Queen Elizabeth I (r. 1558–1603). Like many Renaissance scholars, he was deeply immersed in occult practices and regularly attempted to communicate with spirits. One of the tools Dee is believed to have used in his magical pur