What is this (rock)?

[kimikiri]

Found this while metal detecting the other day. At first I thought it was a bullet, but it seems to light to be made out of lead. I then thought maybe it is a piece of iron slag or a meteorite...? Any guesses...?

Date Found:xxxxxxxx
Location Found:xxxxxxxx
Value:xxxxxxxx
Description:xxxxxxxx
Detector Used:xxxxxxxx
Comments:xxxxxxxx
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[High Plains Digger]

Limonite concretion? Welding slag? Maybe not too likely a meteorite. You said you detected it...or did you stumble on it? Does it register on a detector and is it magnetic or hold a magnet?

 

[dozer dan]

(impurities) slag or clinker from burning coal. if you ever clean out a coal stove or shovel cinders you'll see lots of them.

 

[kimikiri]

Thanks for the replies. I thought it might be some sort of slag, but the shape threw me off.

 

[bradyboy]

sure looks like slag
hard to tell due to the color in the photo
My money is on slag
Brady