this post was submitted on 13 Nov 2025
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Lol it looks like that because it's glowing from heat (probably heat it is producing through radioactivity) it looks like pretty much any metal, just like uranium. Uranium compounds are super pretty though, plutonium probably too if anyone was nuts enough to make dyes with it.
Pu 239 which is the kind that we use the most since it’s the most fissile has a half-life of around 25k years and alpha decays so its very unlikely that it is heat from radioactivity. It may be heat from forging.
It is Plutonium-238.