Petrified Lightning - 3.682" Saharan Fulgurite fordite and magnesium are combined to

and magnesium are combined to form a malleable

and he remains one of the greatest fighters in all of boxing history

000 year old ammonite shell that has been split and polished to show its fascinating internal structure

One incredible space collection

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Petrified Lightning - 3.682" Saharan Fulgurite fordite and magnesium are combined toAbove: 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 3. 682" fulgurite collected in the Sahara Desert. Originally