Why this rock is probably not a meteorite:

1) No fusion crust. The darker exterior is desert varnish.

2) Large shiny grains on the broken surface are quartz. Quartz doesn't occur in meteorites

 
What is it?

We think it might be a hydrothermally altered volcanic rock.
  

www.catchafallingstar.com
www.catchafallingstar.com


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.

e-mailkorotev@wustl.edu