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Fulgurite - Wikipedia, the free encyclopedia
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FULGURITES; Lechatelierite Var. Fulgurite is the varietal name given to fused Quartz, Si02, which has been fused by the action of lightning striking the Earth and locally melting the sand.
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Selected photos of these bits of "fossil lightning."
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Sand fused by lightning strikes preserves evidence of ancient times. ... When lightning strikes the ground, the result is a little tube of melted minerals called a fulgurite. In recent years fulgurites have become a staple at rock shops thanks to collection efforts in the sandy wastes of the Saharan countries.
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Fulgurite is a natural glass sculpture whose shape mimics the path taken underground by the lightning bolt as it dissipates in the Earth. The hollow center of the fulgurite is a record of the fact that the sand touched by the very core of the lightning bolt was not just melted, but vaporized.
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Fulgurite is a glassy tube formed when lightning strikes the sand or rock. Lightning carries extremely large amounts of static electricity which is ...
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Most people have never seen a fulgurite, and many that have probably did not realize what it was at the time. Fulgurites are natural tubes or crusts of glass formed by the fusion of silica (quartz) sand or rock from a lightning strike.
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Glass (a glassy object, to be exact) that is made as a result of a cloud-to-ground lightning discharge is called a fulgurite (from the Latin "fulgur" which means lightning). Fulgurites come in a great variety of forms and can be viewed as nature's own works of art.
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A FULGURITE FROM SOUTH AMBOY, NEW JERSEY ... This fulgurite was encountered in the sand pits operated by the Crossman Company during the operations attendant to the removal of the sand for industrial uses. Unfortunately it was badly broken during its removal and few pieces were extracted having a length greater than...
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Britannica online encyclopedia article on rock fulgurite (mineral), Rock fulgurites, the other variety, are thin, glassy crusts on rocks. They generally occur on mountain summits, as at Toluca, Mex., and Mt. Thielsen, Oregon. ... Aspects of the topic rock-fulgurite are discussed in the following places at Britannica.
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