I want to preface this with, I dont know if this affects other version, as i only play on Switch.
Ancient Debris burns in fire and lava even though its not supposed too, however, netherrite scrap, ingots, and tools are fine, its just the ancient debris.
Thank you for your report!
We're actually already tracking this issue at MCPE-79753, so I will resolve and link this ticket as a duplicate.
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