

Atomize, from the original Ancient Greek adjective atomos, meaning “uncuttable” or “indivisible”.
Seems pretty apt to me. You have rendered it into its smallest constituent pieces through physical means, any further reduction requires chemical processes, or high energy physics. Coincidentally, a simple spark provides both.


Tannerite comes to mind. It explodes from a high impact, and little else. I’m not sure what sort of yield you’d get. That stuff mostly just makes a pop and smoke.
I have heard of people using it on stubborn tree stumps, but that’s several pounds of the stuff.