Why this rock is probably not a meteorite:

Neat. But meteorites are practically never this spherical and they don't soccer-ball-like ridges like this.
What is it?

Probably a septarian nodule (a.k.a., septarian concretion). Google it.


Prepared by:

Randy L. Korotev

Department of Earth and Planetary Sciences
Washington University in St. Louis

Please don't contact me about the meteorite you think you’ve found until you read this and this.