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FULGURITE ('PETRIFIED LIGHTNING') (VERY FINE EXAMPLE) - Algeria

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Home > MINERALS > UNUSUAL ROCKS AND MINERALS - WEIRD AND WONDERFUL !
  
FULGURITE 
(‘PETRIFIED LIGHTNING’)
 
Sahara Desert, Algeria
  
In desert areas of the world, tubes of silica glass with a corrugated surface and spongy texture can be found, the origin of which was a puzzle. It is now known that they are formed when a lightning bolt strikes sand and instantly melts the sand grains along its path at a temperature exceeding 1,800° Celsius. 
 
They were created in a fraction of a second and are a permanent record of the path of lightning through the ground. 
They have been given the name ‘fulgurites’ after the Latin fulgur, meaning thunderbolt. 
 
This is a very fine example showing the lustrous melted glass core.
  
Click on a picture for a larger image

Size:  11.5 x 4.5 x 2.5 centimetres
Weight:  44 grams

PRICE: £39.00
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FULGURITE ('PETRIFIED LIGHTNING') (VERY FINE EXAMPLE)  -  Algeria
FULGURITE ('PETRIFIED LIGHTNING') (VERY FINE EXAMPLE)  -  Algeria FULGURITE ('PETRIFIED LIGHTNING') (VERY FINE EXAMPLE)  -  Algeria FULGURITE ('PETRIFIED LIGHTNING') (VERY FINE EXAMPLE)  -  Algeria FULGURITE ('PETRIFIED LIGHTNING') (VERY FINE EXAMPLE)  -  Algeria