Kristat2 Posted January 15, 2021 Share Posted January 15, 2021 Found this in the outskirts of San Antonio Texas where The city cut into a hill for a road. Looks like it has a few bite marks. Any help to ID this would be much appreciated. Link to comment Share on other sites More sharing options...
jpc Posted January 15, 2021 Share Posted January 15, 2021 some sort of cool agate. Not a fossil. 2 Link to comment Share on other sites More sharing options...
JohnJ Posted January 15, 2021 Share Posted January 15, 2021 It looks like chalcedony replacement of partial rudist fossils. Pieces similar to this typically originate in the Edwards Formation. 6 The human mind has the ability to believe anything is true. - JJ Link to comment Share on other sites More sharing options...
jpc Posted January 15, 2021 Share Posted January 15, 2021 4 hours ago, JohnJ said: It looks like chalcedony replacement of partial rudist fossils. Pieces similar to this typically originate in the Edwards Formation. I would default to this rather than my original "not a fossil" line. Link to comment Share on other sites More sharing options...
Kristat2 Posted January 17, 2021 Author Share Posted January 17, 2021 Thank you Link to comment Share on other sites More sharing options...
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