One of the six precious O-Gems in Junk Jack. This ore can be found deep underground, along with the other five precious O-Gems.
On its own, this O-Gem can create O-Cut Diamond.
This particular Gem's power, when Encrusted and in its O-Cut Emerald form, is to randomly destroy adjacent blocks while mining and give increased knockback against mobs..
Emeralds' ore block (in O-Stone)