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By EarthWonders Team · Oct 08, 2026
How to Stop Pyrite Decay (Before Your Pyrite Turns to Dust)
White powder, a whiff of sulfur, a crack that wasn't there last year: pyrite decay is a chemical reaction with oxygen and moisture, not a disease. Caught early and stored correctly, most specimens can be saved. Here's how to recognise it, what to do first, what museums do, and how to make sure it never starts.By EarthWonders Team · Oct 08, 2026