Something unknown found today, Please help

Tsalagi

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Found this rock today. Me and my friend think it may be a meteorite. But thats just a guess we could be way off. But the md picked it up about 9 inches deep and it is dark blue in spots on top and lighter blue on the bottom. It does have some sort of metal appearing through the rock. Not metal thats been formed in the rock but apart of it. Any help we be great thanks.
 

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I found a freaky rock like that (sorta) about a month ago. My rock was non-metalic. It was heavy, about a pound and it was about 3" x 4" and looked like it was some sort of metal that had been melted down, but we couldn't figure out what. Mine is all silver colored on the outside, but if you break into it, you can see a bit of other colors, green, and red. My daughter took it to school to have the science teacher test it. He couldn't get an exact id, but we figure it's maybe lead, magnesium and/or (shoot, I'm having a brain cramp).......anyway, metals you might find in old batteries. I found it in a spot where there was a dumpster for the townspeople to bring stuff for spring clean up. Anything and everything was dropped off that year. What a mess!

Your rock has bubbles too, which makes me think it is also some metal that has been melted down. I don't know what metal would be blue tho..... ???

I'll post a photo of mine for comparison.....
 

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Looks a little like zinc.
 

The magnet trick is a good way to start to figure it out. But if its not it is still very cool looking congrats
 

Hey, Tsalagi—

I think it's probably slag, which typically has not only metallic content but also vessicles (gas bubbles) and vitreous material like the glassy-looking blue stuff on your find. Here's a chunk of furnace slag:
slag.webp
 

Yup, all three are slags. It's the glass like materials and bubbles that give them away. Check to see if there was any sort of metal working or smelting in the local area of the find. People bring them in to our Geology Dept. all the time for identification. It can get hard if they become heavily weathered. Then they have all sorts of pale colors from the oxidation of the metals.
 

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