07305 - Top Rare 5.26 Inch Fulgurite ("Petrified lightning") Collected in Algeria Bone_Claw EDS analyses indicate olivine has

EDS analyses indicate olivine has high forsterite Fo=0

the Czech Republic

This is one of our most special small Pterosaur claws

13 Inch = 3

Wolfgang Stinnesbeck & José Guadalupe López-Oliva (2007): Cranial anatomy of a Maastrichtian (Upper Cretaceous) mosasaur (Squamata

07305 - Top Rare 5.26 Inch Fulgurite ("Petrified lightning") Collected in Algeria Bone_Claw EDS analyses indicate olivine hasFulgurites are natural tubes, clumps, or masses of sintered, vitrified, and or fused soil, sand, rock, organic debris and other sediments that can form when lightning discharges into ground. They can therefore be referred to as petrified lightning. They are classified as a variety of the mineraloid lechatelierite, although their absolute chemical composition is dependent on the physical and chemical properties of the usually granular crystalline