Natural or man made?

Thread starter #1
I've had this piece since I was a kid. I found it in Putnam Co where I grew up. Have always wondered what it was and if it was man made or natural from water? Any ideas? Pretty cool piece nonetheless
 

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Hard to say on that one. It could be either. It's very interesting, either way.
 
Thread starter #3
It's kind of strange how it's dished out at the toplike some sort of hand formed pottery. But Mother Nature never ceases to amaze either. I also once found a perfectly egg shaped rock (hard as a rock) that smelled pretty bad. I kept it for a while but it got lost in a move or I disposed of it due to the smell either one. It had a small chip in it, but other than that it was a perfect little stinky egg looking rock. About half the size of a chicken egg.
 
Strange looking. If it's natural I wonder what type of stone it is? I'm interested in rocks of an iron nature.

I have an egg shaped rock put mine doesn't stink. It looks to be quartz made smooth in a river but I found it in my yard.
 
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