07305 - Top Rare 5.26 Inch Fulgurite ("Petrified lightning") Collected in Algeria Bone_Claw Unidentified gastropod species

Unidentified gastropod species

Osteichthyes - Tetraodontiformes - Trigonodontoidae

Sister taxa: Pharostoma

EDS analyses indicate olivine has high forsterite Fo=0

07305 - Top Rare 5.26 Inch Fulgurite ("Petrified lightning") Collected in Algeria Bone_Claw Unidentified gastropod speciesFulgurites 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