[Not another shrubbery]

Originally Posted by Wedhro

I ever thought about dwarven and elvish craftship not as classic fantasy enchantment, but more as the ability of "awake" inherent magic properties of matter, expecially "noble" matter as silver, gold and mithril, through a mixture of ancient lore, wisdom and technology. Don't know the way to do this in GURPS terms, though...

Hmm... Have you looked at S John's Hedge Magic? You might like it "out of the box", but at least it ought to be good for some ideas.