Petrified Lightning - 2.12" Saharan Fulgurite woollymammoth but we've tried to remove

but we've tried to remove that as it is quite brittle

The Large and Extra Large Sizes ship in a sturdy carton as they are too large for a case

The first fish had begun to evolve and make their homes among the colorful coral reefs of the sea

nearly 20 million years after their first appearance

Beginning with rare gems formed in the heart of an asteroid during the formation of the solar system

Petrified Lightning - 2.12" Saharan Fulgurite woollymammoth but we've tried to removeAbove: 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. 12" fulgurite collected in the Sahara Desert. Originally