PlutoniumCore
A volatile core close to going supercritical used in recipes for Nuclear explosives.
It is a craftable and spawnable non-flammable solid.
It cannot be resized.
At its default size (2x2x2) it has a durability of 1.
By default, its colour is #c1be42.
It requires 350 Beryllium and 50 Plutonium to be crafted.