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661" sample of Red Planet Obsidian set into a sterling silver bezel
109" fossil Ginkgo cranei leaf from the Sentinel Butte Formation in North Dakota
which allowed pressurized gas to burn through to the booster’s fuel tank
25" piece of stunning agatized wood
Above: Big Dinosaurs = Big Bead
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
US$ 499.50
US$ 499.50
US$ 499.50
US$ 499.50
