Talk:Pokémon VS Digimon/@comment-2255534-20160107232957/@comment-26934487-20160108002627

"Adamantium is a very dense, artificial, iron-based alloy that is virtually indestructible. A sufficient amount is capable of surviving multiple nuclear explosions with no damage. A pure blade of Adamantium is capable of cutting almost any known substance, with the known exceptions of Adamantium itself and Captain America's shield. The ability to slice completely through a substance with an Adamantium blade depends upon the amount of force being exerted and the density of the material in question. Adamantium, its degree of density, makes a very thick metal capable of drilling with greater effectiveness than the Vibranium."

http://marvel.wikia.com/wiki/Adamantium

that is what all Adamantium is, all Adamantium is just an alloy, the only difference is that Captain America's shield (which is also made out of the first batch of Adamantium, mind you) is just made with an unknown combination of other substances as well.