Durinium is an element. In the 1987–1996 animated series episode Shredder's New Sword, it's mentioned that Excalibur is made out of it. References ↑ Shredder's New Sword at Springfield! Springfield! Retrieved from "https://turtlepedia.fandom.com/wiki/Durinium?oldid=468727" Categories: Objects (1987 TV series) Community content is available under CC-BY-SA unless otherwise noted.