Here you have a new powerful mineral: Mithril.
Mythril 1.7.2 and 1.7.10 is a mod that gives you another reason to travel to the dimension of ?The End? which is the one that is usually the less visited for all the Minecraft players..because apart from killing the dragon, there isn?t much more to do.

Detail and Download here : Mythril Mod

Homepage: Mods for Minecraft