Can someone please identify this?

[MagnificentMinerals]

Hey, one of my relatives from way back dug this up and I have found minerals/rocks similar to it but not similar enough to identify it. so I would appreciate if someone could identify this for me, thanks.

 

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[stefen]

Looks like a rock sitting on a concrete walkway...

Need close-ups of all sides...

 

[BosnMate]

Need better close ups, but my guess from what I can see is agate.

 

[Hitndahed]

Hey, one of my relatives from way back dug this up and I have found minerals/rocks similar to it but not similar enough to identify it. so I would appreciate if someone could identify this for me, thanks.

View attachment 1247165View attachment 1247166

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Looks like old slag from an iron furnace. We have a bunch of those old smelters around where I live. Sometimes you run across piles of it that are 20 feet high.

 

[unclemac]

just from the one picture it looks like boulder opal.

https://www.google.com/search?q=bou...b69CBEQ_AUIBygC#tbm=isch&q=rough+boulder+opal