List of fictional super metals

In science fiction, super-metals are fictional metallic elements or alloys which possess extreme limits of strength, hardness, resistance to high temperatures, elastisicity, density, and so on. Examples of super-metals include the following:

"X," the metal which made space flight possible in "The Skylark of Space" by E.E. "Doc" Smith

"Resistium," (which had a nucleus of negatrons and had orbital protons) was first featured in "The Incredible Planet" by John W. Campbell, Jr.

"Durium," an alloy made from resistium and other ultra-elements from "The Infinite Atom" by John W. Campbell, Jr.(and was also used by E.E. "Doc" Smith in later works)

"Radium X," the extra-terrestrial element which Dr. Janos Rukh (Boris Karloff) made a death beam device in the film "The Invisible Ray"

In "Marooned" by John W. Campbell, Jr., the Jovian exploration ship "Mercury" was constructed from "Parium" and "Synthium," elements whioh had great tensile strength

"Byzantium," a fictional fissile element from "Raise the Titananic!" by Clive Cussler

"Unobtanium," the material from which the ship "Virgil" was constructed in the film "The Core" starring Hillary Swank

In the Marvel Comics universe, Wolverine's claws and metal skeleton are made of the super alloy "Adamantium"