New here. Need help with rock identification.

[Ebearone]

Hi everyone. I found this rock in an area in north iowa corn field along with about 50 lbs of geodes. I don't have a size comparison pic. Its about an inch and half squared in size. I did grind one side flat to see whats inside. Silverish with little to no grain. I thouht for a while that it is a hemitite but after being at the smithsonian yesterday im really not sure anymore. If needed i have more pics. Thanks in advance for any help.

 

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[Plug N Play]

It does look like botryoidal hematite.

 

[bradyboy]

cool rock - is it magnetic?
brady

 

[Older The Better]

Scratch some porcelain red/brown equals hematite. Plug n plays pic looks exactly like it but could also be slag

 

[ANTIQUARIAN]

Welcome to Tnet from Toronto Ebearone!
You might want to consider posting your find here... Rocks/Gems

These folks will be able to help you as well,
Dave