Fulgurite Fossilized Lightning 1 1/2" - 2" (Qty=1) Fugurite petrified glass partial hollow tubular Moroccan lightning struck sand Sizes vary 1 1/2"-2" (50mm to 60mm) long, rare long size, well formed tubes Brown rare "petrified" lightning from Sahara Desert in Morocco Often called Petrified Thunderbolts Suitable for collecting, office , gift, education; includes descriptive card