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hndmarshall

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found this in the gravel looks like flint can flint have fossils? I know if flint is broken it has sharp edges but the impression is that of a possible shell and smooth and rounded.. I am finding others like this also.

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Flint/ chert may indeed contain fossils, sometimes quite lovely ones, but I'm afraid this is just conchoidal fracture, I think.

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I agree with Adam. 

Conchoidal fracture.

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I agree with the others. :)

Flint / chert may contain fossils, but other silica-rich rocks like "Agate" may contain or not fossil remains. If the "Agate" is associated with volcanic activity can't contain fossils, but if it's associated with metamorphosis, it can.
One of the sides of your specimen may have an agate look (volcanic) and the external surface looks molten.
Can we see it in a more concluding light, pictured from the arrowed side?

 

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Probably a banded chert. 

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