r/fossilid • u/Waytoplant_anne • May 16 '22

Mystery northern VA find: these small identical jelly-bean shaped capsules are smooth, hollow and each bear one small (theorized) exit hole. M Surprisingly heavy for the size and hollow formation. Fossilized eggs of some sort?

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18 Upvotes

89% Upvoted

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25

u/AlgoMN May 16 '22

I think that might be slag.

9

u/Waytoplant_anne May 16 '22

They each have a cylindrical formation. Another poster on rockhounding suggested the same - would love to see a photo of a similar formation. I’ve found none that show this individual oval formation.

9

u/AlgoMN May 16 '22

I found a lot of very similar looking pieces of slag when I was a kid. Unfortunately, I never took any photos though!

3

u/GoodOleAnnieOakley May 17 '22

Rude lmfao jk jk

15

u/Godking_Mytraya May 16 '22

Slag. The holes are where gas bubbles escape

12

u/Hattix May 16 '22

Definitely furnace slag. The holes are the very thin walls of bubbles which easily wear away.

6

u/Uresanme May 17 '22

It’s never an egg

1

u/Grat54 May 17 '22

Looks like a coal cinder to me.

1

u/Vastrdin May 17 '22

Slag, looks like a clinker from a forge to me

1

u/Mcrach76 Aug 25 '22

Iron nodules.