Superman standing next to a zircon. A zircon was a type of precious stone. Its' resemblance to diamonds is noteworthy; as sometimes they can be confused, but they are no where near as valuable. When a diamond called the Star of Persia was stolen from the County Museum of Art, it was replaced by a zircon, and so everyone was fooled into thinking that the Star of Persia wasn't stolen. References ↑ As seen in The Planet-Splitter (1973). ↑ As seen in The Planet-Splitter (1973). External Link Zircon at Wikipedia Retrieved from "https://superfriends.fandom.com/wiki/Zircon?oldid=59773" Categories: Minerals Community content is available under CC-BY-SA unless otherwise noted.