Adamantine

Adamantine is an impossibly strong metal, created by combining all the alloys: Bronze, Steel, Duralumin, Electrum, Argentsteel, Composite, Ignisium, Pyregold, and Hyperium in a Iron Workbench. Ingots of adamantine slowly change color.

Tools
Adamantine tools have 10,934 uses, 7 times the amount of duribility of diamond. Adamantine armor never breaks.

Other Uses
Adamantine is the symbol of a rich miner, and because the blocks change color, its a must-have storage block in terms of decoration.

Trivia

 * The high durability may be because all the Titanium in some of the alloys.