Petrified Lightning - SOLD 2.491" Saharan Fulgurite dunkleosteus Each specimen is enclosed in

Each specimen is enclosed in an acrylic specimen jar held within a handsome

The foil square is 100 times larger than our original Apollo 13 foil specimen

The single specimens offered here come from the same mine but are much larger

These fossil ammonite pendants have been inlaid with different materials

though it was also one of the last to appear in the Cretaceous fossil record

Petrified Lightning - SOLD 2.491" Saharan Fulgurite dunkleosteus Each specimen is enclosed inAbove: 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 2. 491" fulgurite collected in the Sahara Desert. Originally