mystery iron object

[Steeltowndigger]

any ideas what this might be? the part where the iron hasn't leached out is like some kinda iron stone. is it part of a stove or something? can see where it broke off the circles are all around the object.

 

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[Tony in SC]

Looks like the center of the bottom grate for a coal stove?

 

[Indian Steve]

I agree.