Petrified Lightning - 3.25" Saharan Fulgurite rutile It is dated to the

It is dated to the Middle Silurian Period

5" x 4" x 3

This board section is set into a sterling silver backing and sealed in a layer of resin

02" scraper from North Africa and is dated to roughly 12

sea cucumbers

Petrified Lightning - 3.25" Saharan Fulgurite rutile It is dated to 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 3. 25" fulgurite collected in the Sahara Desert. Originally