Abyssal Shatter

Requires: Enchanting (445)Tools: Runed Eternium Rod Reagents: Creates: Essence or Dust  flavor  Disenchants an Abyss Crystal into Greater Cosmic Essence or Infinite Dust. 

Abyssal Shatter is a trade skill that allows the enchanter to break down an into a random amount of  or.

Source
The recipe is taught by any Northrend Enchanting trainer at skill level 445.