Two Attuned Lodestones on jewelery - do procs stack?

I mean, do they cancel each other out or does game checks\rolls dice on first attuned lodestone proc then on second, meaning there is like a 4% chance they both gonna proc on one melee attack?

Yep

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It is an one of which question, not “yes or no”

Whoops sorry I glossed over the first few words, both can potentially proc at the same time from 1 hit

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