Correct in their normal state adamantium is indestructible. But if altered correctly any metal can still be broken. *rolls out of commandos shotgun blast but is grazed a bit* Just like diamond and graphite. Both are pure carbon yet one breaks easier than the other. The reason is the different bonds. *creates mobile mechanical spear launchers out of stone and keeps them on a constant fire. Encases self in a solid stone dome and a slight tremor is felt*