Lechatelierite var Fulgurite - Bouarfa area, MOROCCO
55mm W x 18mm H
Fulgurite (from the Latin fulgur, meaning "lightning") are natural tubes, clumps, or masses of sintered, vitrified, and/or fused soil, sand, rock, organic debris and other sediments that sometimes form when lightning discharges into ground. Fulgurites are classified as a variety of the mineraloid lechatelierite.