It seems his Alchemy Skill is based on the “Idea” of what Material is capable of doing and not based on knowing what the Atomic Structure of the Material is made of, so that means he can make Materials like Adamantium, Vibranaium or a composite of both.
@sheepdoge
It's because Magic Metals are...
Should have gone Half instead of Quarter Angel or Full depending on the points' requirement. Though I would have liked the author listed or all the Races and their Pro's and Con's.