• Tegnoid - an indestructible, incredibly sharp metal used by Yuri in DC Comics' "Dirty Pair"
  • Terrigen Mists - a gas that releases superhuman abilities (and often deformities) in humans and Inhumans alike
  • Yakka - a sound-sensitive metal/mineral also known as Trillite
  • Dargonite - a metal capable of penetrating adamantium
  • Element 152 - a combination of gold, silver, and iron created by Mon-El that allowed for the flight capabilities in the Legion flight rings
  • Eternium - ore from the Rock of Eternity said to be a source of magic power; equivalent to Kryptonite for the Marvel Family
  • Feminum - the name for Amazonium on the "Wonder Woman" TV show
  • Zuunium - a metallic element from the planet Zuun which gives those exposed to it the power of lycanthropy