smelting diamonds tools/armor should make charcoal.

diamonds are pure carbon as a crystal. charcoal is also pure carbon just not crystalized. in real life if you melt a diamond it looses its crystalline structure and reverts back to normal carbon.

maybe smelting a diamond or diamond armor could make coal and diamond tools make charcoal because of the wood?

i imagine it could be a humorous advancement/achievement or something as well. it could be titled "I don't know what I expected" or "disposable income" or maybe "spared no expense!" because its the most expensive coal?