Interesting. Bring on the A-bomb foundries! Had this been discovered during the exploration phase of atomic bomb use we probably would have seen A-bomb foundry proposals.
There is a hypothesized process in this paper that sounds like a graduate thesis on its own.
The paper explains it more as an experimental process than a manufacturing process. Each granule of hiroshimaite captures a "unique" micro-environment. One could imagine an ethical version of this involving conventional explosives in a controlled environment containing a variety of metallic samples of different compositions.
I mean, I'm probably just being contrarian and I too would appreciate it if people stopped suffering, but like, people are suffering worse than that right now as we type this.
There were some nuclear fracking experiments where the nukes cost in the range of a few hundred thousand dollars. It's probably cheaper than you think.
Hey! ,this is great! next we can have moskitonium, londinium(heh), and washingtondcinite, rare valuable collectables for some far future alien travellers
There is a hypothesized process in this paper that sounds like a graduate thesis on its own.
https://www.ans.org/news/article-1858/elk-river-rural-americ...
(In all seriousness, I hope we never, ever in this lifetime cause humans to suffer like we did on that day)