Elementium Ore Clusters, generated in the world:
The Gem gotten from it changes colors periodically, you can also craft blocks from it:
Using it, you can create Elemental Bark, and the Elemental Desk:
The Elemental Desk Block (used to create research books):
You can also create the Elementalist’s Lexicon, which tells you all there is to know about the items in the mod:
The GUI of the Elementalist’s Lexicon:
Guest
is elementium ore rare