Pig iron, slag, or something else

[Honeyman]

I wasn't sure if this should be in "todays finds" (I found it today), or "what is this"?! If it needs to be moved, go ahead and move it.
I was out coin shooting this morning and found it about 12" down in a city park. It's very heavy for it's size and mildly magnetic. Naturally occuring iron, slag, possible meteorite fragment? I'm just guessing. Never found anything like it before. Any ideas?

 

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[bammer]

Most likely slag or a piece of corroded iron. If you want to see if it is a meteorite you can cut it on a diamond saw polish it and paint on a bit of sulfuric acid and see if you get any pattern.
http://www.arizonaskiesmeteorites.com/AZ_Skies_Links/Etched_Meteorites/Etched_2.jpg

 

[Honeyman]

Thanks bammer!