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Earth and Planetary Sciences

Some Meteorite Information

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  • Identifying Meteorites
  • Lunar Meteorites

Glass

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If It Is Glass or Glassy, Then It Is Not a Meteorite

These rocks are all obsidian, a volcanic glass. Glass, and some fine-grained crystalline rocks fractures conchoidally. If there are conchoidal fractures, then it is not a meteorite.  

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Prepared by: Randy L. Korotev

Department of Earth and Planetary Sciences
Washington University in St. Louis

e-mail: korotev@wustl.edu

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