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  1. A fulgurite or "petrified lightning" is a glass tube formed when electricity strikes sand. Usually, fulgurites are hollow, with a rough exterior and smooth interior. Lightning from thunderstorms makes most fulgurites, but they also form from atomic blasts, meteor strikes and from man-made high voltage devices falling onto the ground.
    www.thoughtco.com/fulgurite-overview-and-instruct…
    Fulgurites, sometimes called “ petrified lightning ” and “lightning stones,” are natural tubes of glass formed by the fusion of silica (quartz) sand or rock from a lightning strike. Their shape mimics the path of the lightning bolt as it hit the ground.
    interpretivecenter.org/the-truth-about-petrified-light…
    Petrified lightning, or fulgurite, is the glass formed by lightning striking the ground. Petrified lightning often appears as a veiny, organic-like artifact made of overheated sand that quickly cools down. It’s a hollow tube in most cases and the interior is similar to glass.
    lightningmaster.com/petrified-lightning/
    “Petrified lightning” is a permanent record of the path of lightning in earth, and is called a fulgurite, after fulgur, the Latin word for lightning. Fulgurites are hollow, glass-lined tubes with sand adhering to the outside.
    ira.usf.edu/CAM/exhibitions/1998_12_McCollum/su…
     
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    Fulgurite - Wikipedia

    Fulgurites (from Latin fulgur 'lightning' and -ite), commonly called "fossilized lightning", are natural tubes, clumps, or masses of sintered, vitrified, or fused soil, sand, rock, organic debris and other sediments that sometimes form when lightning discharges into ground. When composed of silica, fulgurites are classified as … See more

    Fulgurites are formed when lightning strikes the ground, fusing and vitrifying mineral grains. The primary SiO2 phase in common tube fulgurites is lechatelierite, an amorphous silica glass. Many fulgurites show some … See more

    The presence of fulgurites in an area can be used to estimate the frequency of lightning over a period of time, which can help to understand … See more

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    Fulgurite tubes have been mentioned already by Persian polymaths Avicenna and Al-Biruni in the 11th century, without knowing their true origination. Over the following centuries … See more

    H. J. Melosh, "Impact geologists, beware!" (Archived 2020-08-06 at the Wayback Machine). Geophysical Research Letters, Volume 44, Issue 17, pp. 8873–8874, 2017
    Petrified Lightning by Peter E. Viemeister (PDF) See more

     
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  3. Fulgurites : Formation, Properties, Uses, Locations - Geology …

  4. The Truth About Petrified Lightning - Coastal …

    Sep 6, 2021 · Fulgurites, sometimes called “petrified lightning” and “lightning stones,” are natural tubes of glass formed by the fusion of silica (quartz) sand or rock from a lightning strike. Their shape mimics the path of the lightning bolt …

  5. What Is Fulgurite? Where to Find It and How to Make It

  6. Fulgurites: When Lightning Strikes Sand, Magic Is …

    Jun 28, 2022 · According to the Utah Geological Survey, there are two types of fulgurites: those formed when lightning hits sand and those created from rock. Sand fulgurites come from beaches and deserts, have...

  7. Fulgurites: Form When Lightning Strikes Sand

    Fulgurites are rare natural glass formations created when lightning strikes sand, soil, or rock. The intense heat from the lightning rapidly melts the struck material, which then cools and solidifies into a glassy substanc.

  8. Lightning Glass! (Fulgurite) How It’s Formed And …

    Jan 20, 2022 · Natural Lightning Sculptures: Fulgurites are sometimes called “petrified lightning” because they are essentially the frozen evidence of a lightning strike. They form when lightning with a temperature of over 1,800 degrees …

  9. What is Fulgurite and Types of Fulgurite – Geology In

    Fulgurite is a naturally occurring glassy formation created when lightning strikes a surface, such as sand, soil, rock, or other minerals. The intense heat from the lightning, which can exceed 30,000°C (54,000°F), melts the material upon …

  10. The Petrified Physical Evidence Of a Lightning Strike

    Sep 24, 2014 · Lightning flashes—while terrifying—appear and vanish in less than a second. Yet, occasionally, passing strikes memorialize themselves with a rocky calling card buried in the earth. Such...

  11. What is Petrified Lightning and How is it Created?

  12. Fulgurites: Petrified Lightning in the Ground - Knoji

  13. Fulgurite: Everything You Need To Know About The Lightning Stone

  14. What a Fulgurite Is and How To Make One - ThoughtCo

  15. Fulgurites: Petrified Lightning - scientiaproject.com

  16. Fulgurite: How Lightning Makes Glass Out of Sand

  17. Fulgurite Meanings and Crystal Properties - The ... - The Crystal …

  18. Fulgurites the Petrified Lighting - The Gem Museum Singapore

  19. Fulgurite: Meaning, Properties, and Benefits You Should Know