Why this rock is probably not a meteorite:

From this angle, it looks like it might be. However, the density is only about 2 g/cm3.
What is it?

When we sawed it in two, we found the inside to be a porphyritic volcanic rock with small vesicles. It's covered with an iron oxide coating.


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.