Francisco Ruiz Posted October 24, 2021 Share Posted October 24, 2021 Link to post Share on other sites
R0b Posted October 24, 2021 Share Posted October 24, 2021 (edited) A rock. Chert often forms organic shapes and sometimes contains or is the mineral of a fossil. and welcome to the forum Edited October 24, 2021 by R0b 2 Link to post Share on other sites
Francisco Ruiz Posted October 24, 2021 Author Share Posted October 24, 2021 Thank you so much! Link to post Share on other sites
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