Certain materials like Vilgax's sword can break him.He also has a limit to how much energy he can absorb, as shown with "The Enemy of My Frenemy" when he tries to absorb the Alpha Rune's mana, but disintegrates instead.He can't absorb electricity when conducted by water.Chromastone is unable to absorb energy if he is to weak.
In height, his species is about 6 to 7 feet. His hands and face are magenta, also sport six magenta shards on his back, two on his chest, and one on the top of his head, resembling a horn. His body is overall purple body color with several lines and dots.