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Please Help ID Egg Fossil


flipafossil

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flipafossil

I purchased a box of rocks and minerals at an estate sale. I noticed the translucent texture of this "rock" and have never seen such an appearance of a rock. While studying the fossil it appears to be some sort of egg fossil. I have no prior experience with fossils other than buying some at museums as a child. But this fossil is fascinating to me! I humbly ask for opinions as to what type of fossil I have. Thank you all in advance for sharing!

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FranzBernhard

Welcome to TFF from Austria!

 

Sorry to disappoint, but this is not a fossil.

It could either be a flint/chert nodule (sedimentary), jasper or some kind of chalcedony void filling from a volcanic rock. It seems to be river worn, too. 

 

Franz Bernhard

  • I Agree 2
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IsaacTheFossilMan

+1 for not a fossil.

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There is a remote possibility that this is a mineralized internal cast of a bivalve. No egg at any rate.

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Fossildude19

This appears to be a weathered chert nodule, and not an egg, unfortunately. 

Welcome to the Forum. 

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