I'm not ordering them. I'm just naming ones that come to my head:
Adamantium (primary)
Uru
Beskar (or Mandalorian Iron) - Star Wars
Inertron
Vibranium
...there may be some others. Individual plot-device weapons and items, like Majestic's swords and Wonder Woman's bracers, would likely be in the discussion.
Originally posted by -K-M-
Think a big low showing for uru (or high showing for thor) is when thoreasily cut out a uru hammer from a uru Boulder just using one finger. Almost did it like putting your finger through sand. It was that easy
I remember that. He actually just scooped it out of the rock. But isn't the difference between Raw Uru(stone) and Refined Uru(Metal) a pretty big one? Or I could be making it up. I'm not really sure how Uru works.