Lightning hit a volcano, instantly melting the rock to create this fulgurite. The liquid cooled too quickly for crystals to form. Hollow tubes lined with greenish-black glass record the electric current's path through the rock.


  • Title: Fulgurite in Weathered Andesite
  • Location: Turkey
  • Type: Mineral
  • Rights: This image was obtained from the Smithsonian Institution. The image or its contents may be protected by international copyright laws. http://www.si.edu/termsofuse
  • External Link: View this object record in the Smithsonian Institution Collections Search Center
  • USNM Catalog Number(s): 52093
  • Scientific Name: Rock fulgurite with andesite
  • Photo Credit: Chip Clark, Smithsonian Institution National Museum of Natural History
  • Field: MIneral Sciences

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