✅ SOLVED What the Heck is this?

[sibbley]

Found this today. Gave me a good solid 11 on the Legend. Was about 5 inches deep. Added a short video of the rock setting off the pin pointer. My yard is just full of surprises. Forgot to mention it's fairly light.

Thanks for looking...

 

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[Blackfoot58]

Must be some type of ore

 

[KSDirtfisher77]

I think its coke, but I'm unsure if I spelled it right. But I believe coke will set off a metal detector.

 

[NVNutcase]

I would also say “coke”

 

[geo4472]

i think it is metallurgical Coke

 

[ANTIQUARIAN]

This was my first thought... sorry I know it's not very helpful.

 

[sibbley]

I've read about the use of Coke and how it's made. I'm finding it hard to understand how it ended up in an area that was farmed field till 1966. As I know anyway. I guess I may never know.

 

[NVNutcase]

Maybe someone carried it around, like a can of Sterno or handwarmer.

 

[Tony in SC]

I make my own charcoal for black powder. That's what it looks like before I grind it?