22152 - Nice Collection of 5 Fulgurites ("Petrified lightning") Collected in Algeria Otarionella Yellow patches of sulfur (alteration)

Yellow patches of sulfur (alteration) are widespread

dunklei there were two to five barbs on each tooth

10 Inch = 2

Native copper occurs rarely as isometric cubic and octahedral crystals

In the Ifezouane Fm were some very weird fish with very weird teeth particularly among the pycnodontids

22152 - Nice Collection of 5 Fulgurites ("Petrified lightning") Collected in Algeria Otarionella Yellow patches of sulfur (alteration)Nice Collection of 5 Fulgurites ("Petrified lightning"). Fulgurites 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