✅ SOLVED Strange rock not attracted to a magnet ?

[Roger Mn.]

I found this in an area were a new road is being built and I picked up a few interesting rocks. Dark brown & smooth on one side and like scales on the other. 1 1/8" by 3/4" .

 

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[Minrelica]

Well that's definitely interesting.

 

[Back-of-the-boat]

Possibly some tar like they melt for roofing jobs.

 

[Minrelica]

I was under the assumption that they were found with the detector, yes?

 

[Roger Mn.]

There was a big pile of dirt removed from the ditch and piled up about 5 feet high and block long . I detected all the area and barb wire and a few old cans. A few broken bottles and I was looking for anything looking like a meteorite.
This rock was an eyeball find.
I did get one that gave tone and is attracted to a magnet and is just an iron rock .

This rock shown looks like a hot piece of lava fell on a reptile.

 

[daffodil]

Looks like obsidian. Type of volcanic glass.

 

[Indian Steve]

I agree with Back of the Boat. Roof tar. steve

 

[Roger Mn.]

I agree with Back of the Boat. Roof tar. steve

Not roof tar . I'm a roofer and I've worked with hot tar and this is not tar.

 

[Roger Mn.]

Looks like obsidian. Type of volcanic glass.

Thanks daffodil. I looked up obsidian and it looks like it and it is black and brown like obsidian . So I'm going to mark this solved .
roger