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661" sample of Red Planet Obsidian set into a sterling silver bezel
This shirt has seven fossil facts so you can share your love of paleontology with everyone you meet
Returning home to New York
Bring the Woodstock magic everywhere you go with this limited edition Peace Pendant
109" fossil Ginkgo cranei leaf from the Sentinel Butte Formation in North Dakota
Petrified Lightning - 3.259" Saharan Fulgurite manmade 661" sample of Red PlanetAbove: 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. 259" fulgurite collected in the Sahara Desert. Originally
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