Rock or petrified wood?

[PennyG]

My daughter’s boyfriend gave me a few pieces of what he says is petrified wood. But I’m leaning more towards sandstone. What are your thoughts? All pieces are pretty heavy.

 

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[lairmo]

I think you have both.

 

[digger460]

No expert, but it sure looks like petrified wood. Looks like rings in pics. 3,4, and 5. Pic 6 looks like classic petrified wood. IMHO

 

[PennyG]

I think you have both.

I think you’re right. Looks like the darker (burnt possibly) piece might be wood.
One piece has a quartz crystal vein.

 

[Back-of-the-boat]

Looks like petrified wood and shale.

 

[old digger]

What you have there is petrified wood. It is a low quality example. I find the the same here in Montana, and some is still associated with parts still in a coal stage. Petrified wood!