Why this rock is probably not a meteorite:

1) No fusion crust.

2) Wrong color. Meteorites aren't this reddish.

3) When one drops hydrochloric acid on the rock, the drop "fizzes" - it releases carbon dioxide gas from the rock. No meteorite fizzes when exposed to acid. Meteorites don't fizz.
What is it?

Like number 02, this is a terrestrial o÷litic limestone. Up close (bottom), there are many spherules. The finder though that this might be a chondritic meteorite and that the spherules were chondrules. However, the "acid test" shows this rock to consist of calcite. That means that the spherules are o÷liths - calcium carbonate growths on sand grains or organic matter, not chondrules, which consist mainly of silicate minerals.


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.