What kind of rock is this?

NathanD

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Jan 8, 2019
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IMAG0042-1.jpg

IMAG0043-1.jpg


At its longest point, it's about the size of a baseball's diameter. Found it sitting on a railing while I was taking a walk on a river trail near me and thought it looked really interesting :D
 

DDancer

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Mar 25, 2014
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Traveling US to work
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Primary Interest:
All Treasure Hunting
Welcome to the forum NathanD. What you have is slag, a byproduct manufacturing process's. If you like it keep it. A lot of have a bit or two because it looks neat.
 

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