Lightning Stone (Fulgurite) in 5x5 box.
Origin: Sahara Desert
Specimen size: 4-5 cm approx.
LOT OF 35 UNITS
A specimen of Fulgurite, produced by a lightning strike on sands with a high silica content. The impact can reach a temperature of 4000°C, becoming vitrified in the sand.
It occurs mainly in deserts. In this case, in the Sahara Desert.
