Why this rock is probably not a meteorite:

This rock was found on a back porch. It wasn't there the day before.

The vesicles and lack of fusion crust suggest that it's not a meteorite.
What is it?

Something that someone probably threw.


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.