Why this rock is probably not a meteorite:

We get a lot of photos of things like this - glassy and vesicular. Meteorites aren't glassy and vesicular.
What is it?

Don't know, but possibly a piece of slag.


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.