Why this rock is probably not a meteorite:

You can't see them in the photo, but this thing is chuck full of pyrite (shiny, cubic, yellow crystals) and there's even a cast of a fossil shell. These features do not occur in meteorites.
What is it?

A sedimentary rock.


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.