Petrified wood or sandstone?

HillBilly244

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Looks like it could be petrified wood.
 

Sorry, but you’re still not showing Schreger lines. Schreger lines cross at an angle. They don’t run parallel to the outside curve of the tusk. Mammoth lines cross at about 90° like this pic. African elephant lines cross at 45°.
IMG_4837.webp
 

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