Strange Structures

They have been known to occur on beaches, deserts, and mountains around the world, but what exactly are these weirdly brilliant looking sand structures and what causes them to occur?

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Strange Beach Sand Structure Lightning Strike Ocean Weird

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They are called Fulgurites, and if you ever find one, you may not want to touch it, because these sand structures can be extremely fragile.

Strange Beach Sand Structure Lightning Strike Ocean Weird

Image: Imgur/ DontHaveToSayAnythingImADoctorToo ·

Usually caused by lightning strikes, the sand becomes crystallized from being hit by the high-temperatures. Sand melts at around 1700°C and the difference in structure depends on the size and shape of the lightning bolt.

Strange Beach Sand Structure Lightning Strike Ocean Weird

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They can measure from a few inches to several feet in length. Fulgurites can be rare, and ultimately fragile so it’s probably best to simply leave them alone and admire them from afar if you see them.

Article: Guff