Petrified Lightning - Saharan Fulgurite Riker Box Specimen Size:Small Riker Box Specimen Riker Mount cases are the

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These specimens are relatively uniform in color

000 years ago during the Great Oxygenation Event

discovered in the year 1900

Petrified Lightning - Saharan Fulgurite Riker Box Specimen Size:Small Riker Box Specimen Riker Mount cases are theAbove: Front of the Specimen Card. When lightning strikes dry sand, the intense heat melts and fuses the silica creating tubes of rough glass called fulgurites. The process happens quickly, often trapping molecules from the surrounding atmosphere inside the walls of the impact tube. These natural time capsules allow scientists to study the composition of ancient climates. This specimen is a fulgurite collected in the Sahara Desert. Originally featured