Does any one know if this is just a rock or is it some thing petrified?

[Geraldg]

Hi i was looking for another opinion on this. I found this rock and now i would like to know if it could be mabye more than what hsu calls it. A piece of chert.

 

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[Eu_citzen]

Well, it doesn't appear to be anything petrified from here.

 

[DDancer]

Not chert, quartz, and as EU said its not a petrification. Looks like a river cobble.

 

[stdenis_jd]

yeah, it's not chert...any idea on the hardness? Do you know how to do a scratch and/or streak test? Those would be quite helpful

 

[Geraldg]

It don't chip easy super heavy and it is wired it has all details in side and out that a reptile of some kind teeth skin pattern eye detail skull struture spinal cord

 

[Geraldg]

Oh I forgot to say the two pieces were one I cut it in half my self It was a rock from a old river bed that was dry and no longer has water flow