This is a list of CONFIRMED items used in Jewelcrafting.
Basically, the point of this post is to get you prepared for the skill and/or to make money when the expansion comes out and these are in high demand.
Essence of Earth
Essence of Fire
Essence of Air
Essence of Undeath
Flame Spesserine (spelling may be wrong)
Delicate Copper Wire
mightwant to check this video out btw