Is it petrified wood or chert?

[Tucker2]

Hello! I've been rockhounding in Oregon but don't know what I have. I've been told it's either chert or petrified wood. I'm looking to be educated. Thanks for your time!

 

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[unclemac]

yes pet wood, but both are cryptocrystalline silicates (CCS).

 

[Tucker2]

Hey thank you very much for letting me know these are CCS. I am learning.