Is it a meteorite or is it not? A handy flowchart from the Department of Earth and Planetary Sciences of the Washington University in St. Louis:

Oh, and for those too lazy to Google it, here’s the definition of a regmaglypt:

A shallow indentation or pit on the surface of a meteorite, resembling a thumbprint impression in clay, created by ablation while falling in an atmosphere. [Source]

[Source: wustl.edu | Via Neatorama]