Why this rock is probably noa meteorite:

Meteorites have smooth exteriors with no sharp points or ridges and they are not usually this spherical.
What is it?

We don't know. This object is about 2 inches in diameter and has a density consistent with glass (~2.7 g/cm3). It is not magnetic. The finder found it at an estate sale, along with some fossils. It looks like a piece of obsidian or an Apache tear (natural volcanic glass). It has many conchoidally fractured areas on the surface that give the impression that someone deliberately worked it into the present spherical shape.


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.