Duranium

Duranium was a tough metal used in military-grade plating. It was stronger than titanium but less resilient than impervium.

Behind the scenes
Duranium first appeared in the Star Wars Legends short story "A Boy and His Monster: The Rancor Keeper's Tale," which was published as a part of Tales from Jabba's Palace in 1996. The first canonical appearance of the metal was in the mobile-game Star Wars: Galactic Defense in a 2015 update. In addition to Star Wars, duranium has appeared in the science fiction franchise Star Trek.

Appearances

 * Star Wars: Galactic Defense