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Yellow (canary) round ball fossil?


sharptooth79

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sharptooth79

Hi guys, just wondering what can it be. This round ball is 0.6in (15.5mm) in diameter, weight is around 15gr. Very solid looking ball with yellow (canary) inner part and white shell looking outer part. Can you please help me to identify what can it possibly be. Cheers.

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It could be any of a number of things ranging from concretion to sponge fossil or even something man made. It would help the identification process along if you would follow the instructions for posting in this section by naming the outcrop, location and also the precise geological age of the sediments where found if possible.

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Fossildude19

Sorry, but I'm just seeing a water tumbled/shaped round rock.

It could be a concretion.

As Ludwigia mentioned, please tell us where it was found, and what other fossils are found in the area, if any.

If you know the geologic age that info is helpful as well.

Regards,

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sharptooth79

Thanks for reply Ludwigia, the problem is that I purchased box full of stones, fossils and meteorites at garage sale and now trying to figure out what is what.

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Can't say much more than I've already said then. Sorry.

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It looks like an agate "shell" over calcite. Have You tried a drop of vinegar to see if the yellow part fizzes.

I think it is an agate nodule that is filled with calcite and river tumbled.

Tony

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Neanderthal's golf ball

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sharptooth79,

given weight and dimension, we have a density approximately of 7,7 gr/cm3…some mistakes?

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At first glance I thought it was just an old egg yolk from a very hard boiled egg. Then I thought it could be a jawbreaker, is it sweet when you lick it? If not, then concretion looks most likely.

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