Paul Agnew on LinkedIn: This is a fulgurite...it happens when lightning strikes sand and fuses it…
Lightning Glass! (Fulgurite) How It's Formed And Where To Find It - Rock Seeker
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Irma Aguilar-Delfin on Twitter: "Lightning in the desert -> Glass. #Fulgurites. You can make them at home too http://t.co/Mn91Q9FNie #diy # lightning http://t.co/4ItLukH3xE" / Twitter
True or false? Lightning turns sand into glass | WSAV-TV
Petrified lightning
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Lightning Glass! (Fulgurite) How It's Formed And Where To Find It - Rock Seeker