Space turd?????

[catfishjim90]

Hi everybody. A buddy of mine found a football size rock while we were prospecting for gold north of the Missouri River in Missouri. The rock weighed 70 pounds and has a 3/8 of an inch crust on the outside. It is magnetic. My buddy cut a piece off of it with a concrete saw. Here are some pictures of the piece. If anybody out there has an opinion of what it is’it would be well appreciated. Thank you for your time.

 

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[catfishjim90]

Sorry guys space turd weighs 48 pounds. Not 70 pounds.Heres some more pictures

 

[Terry Soloman]

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[uglymailman]

Jim, if ya get no answer you might try another thread called "Got a rock you want identified?" or something real close to that. Several people with knowledge chime in on that thread and i.d. about anything put on there. Good luck.