Why this rock is probably not a meteorite:

Neat!  But, no meteorite ever looked like this. There's no fusion crust, it's too spherical, and the "clasts" are too round.
What is it?

It appears to be an amygdaloidal volcanic rock that's been rounded by abrasion against other rocks. The "clasts" are really holes (vesicles) that have been filled with quartz or calcite.


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.