Fulgurite - Sand hit by lightning. This picture is not Fulgurite by the way.This is a stick with wet sand on it.Fulgurite is usually found in the ground where lightning has struck and is usually very small glass tubules.
This is what sand looks like when it’s been hit by lightning. Called a fulgurite, this is made up of natural hollow glass tubes formed in quartzose sand, silica, or soil by lightning strikes (at