Treated stone?

[Ihyn]

Is it just me or does it looks like this stone has been some something with?

Found in farmland. Norway

 

[Tony in SC]

Looks like the flow pattern of the molten rock before it solidified ? Nice rock!!

 

[A2coins]

I agree it does . I also have seen 1000s of rocks posted there are so many that look like artifacts its very hard to tell. that is really cool though!!!! Tommy