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FOOLS! (lemmy.dbzer0.com)
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[-] RubberElectrons@lemmy.world 60 points 1 day ago

Hmm... Is it because fossils are undoubtedly damaged due to the conditions for making pyrite? Something something intrusion?

[-] Thrashy@lemmy.world 118 points 1 day ago

Pyrite disease! The pyrite oxidizes in humid air, converting to a mineral that takes up much more volume. If the pyrite is incorporated into the fossil matrix, that expansion causes the fossil to crumble.

[-] fossilesque@lemmy.dbzer0.com 57 points 1 day ago

They will decay within 2 years after hitting oxygen. Solution: Encase them in resin. Source: What I did with these pyrite fossils on my desk.

[-] TriflingToad@sh.itjust.works 27 points 1 day ago* (last edited 1 day ago)

pics or it didn't happen! (I just want rock photos fr)

[-] fossilesque@lemmy.dbzer0.com 35 points 1 day ago

I posted some snaps here when I first pulled them out of the ground of this batch. I haven't polished the resin yet on most of the encased ones, but I'll post a snap after my phone charges a little bit. I have some fossils that turned into clay, ancient wood fragments and belemnites in there too. All are from the Jurassic Coast in Dorset.

[-] fossilesque@mander.xyz 11 points 1 day ago

More info about this stuff since dbzero is 504ing:

Haha, all you newbies have cained my main and back up account servers. X)

[-] fossilesque@lemmy.dbzer0.com 24 points 1 day ago* (last edited 1 day ago)

You can see what happens when the wood gets exposed on the little black one. The big guy is clay.

One that's mostly polished up:

I am saving these for teaching tools. They were collected with help from a good friend of mine that does palaeontology. My research is only Holocene lol.

[-] fartsparkles@lemmy.world 10 points 1 day ago

Stunning! Thank you for sharing.

[-] fossilesque@lemmy.dbzer0.com 11 points 1 day ago

Thank you fart✨sparkles. You are stunning too.

[-] RubberElectrons@lemmy.world 3 points 16 hours ago

😂 this whole post is great

[-] TriflingToad@sh.itjust.works 6 points 1 day ago

I love little ancient curly guys <3<3

[-] fossilesque@lemmy.dbzer0.com 7 points 1 day ago

Me too, they're so pretty. They basically fall out of the wall in Dorset.

[-] weariedfae@sh.itjust.works 17 points 1 day ago

Tbh I've always wanted to find a pyritized fossil. So cool.

[-] fossilesque@lemmy.dbzer0.com 2 points 1 day ago

You can find pyrite fossils in Pennsylvania as well, surprisingly.

https://youtu.be/eueLZrt685I

[-] bjoern_tantau@swg-empire.de 6 points 1 day ago

Finding Fool's Gold on YouTube: 👍

https://youtube.com/@dingodoodles

this post was submitted on 15 Mar 2025
214 points (97.8% liked)

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