Why this rock is probably not a meteorite:

There's no fusion crust.

Meteorites never have prominent clasts or crystals that are as elongated such as this.
What is it?

This is some type of porphyritic volcanic 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.