Fulgurite a Natural Glass Formed by Lightning | 1.18"

Type: Fulgurite, lightning formed material Size: 1.18" = 3 cm Age: Unknown Condition: No restoration A fulgurite formed when a lightning strike subjected the ground to intense heat, fusing or melting material along its path. Rapid cooling preserved the result as a physical record of the lightning strike. Fulgurites can form in sand, soil or rock. Their appearance varies with the original material and the conditions of the strike. Sand fulgurites often have a rough exterior and sometimes form hollow tubes. A geological specimen for collectors interested in natural glass, unusual formation processes and the power of thunderstorms. Learn more about how Fulgurites form