Mystery rock found

[Marky_mark]

I found this rock while digging today and it caught my eye. Location central Indiana. Digging in an old field that is now new homes. I was down about 3 ft in mostly dirt when I saw red stone, almost a brick red color with some sort of crystallization coming from the top middle. Any clue to what it is?

 

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[Marky_mark]

 

[Eu_citzen]

Not familiar with the geology of the area. But my first guess would be jasper or rhyolite.

 

[Sir.Catfish]

I'm guessing jasper.

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[JasonG]

Banded iron formation, probably came down from Canada on the glacial express.

Might be partially jasperized, but dunno.

 

[ice9]

Yeah, probably a jasper-hematite/magnetite mix. Should polish nicely, the stuff we have here in Ontario is fantastic.