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pauledevans
About 5 years ago I was on holiday on the Isle of Wight. Among the things I brought back was a large chunk of fossilised wood which I pulled from the clay on Yaverland beach. It was solid black and encrusted with pyrite.

I know now that you have to preserve this kind of thing, else it deteriorates. I didn’t then, and so I put it in a plastic box in my garage, and forgot about it.

I’ve just gone back to it, to discover that at some point since, fine white crystals have started to form, deforming lots of the wood, and turning chunks of it to powder.

This piece is lost, and I’ve learned a lesson. My question now though is, is what’s in the box dangerous, and do I need to be careful how I dispose of it 😬 

Any advice you can offer would be gratefully received.
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prep01
Wash out well with detergent and lots of cold water and it will be ok, but be a bit careful as it is Sulphuric acid.
Colin Huller
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pauledevans
Yikes, okay, thanks for that. What’s caused that to happen? I think I looked at it a couple years ago and crystals hadn’t formed. Might something have triggered it?
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prep01
Basically, the chenistry, but heat and humidity don't help.
Colin Huller
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