XL Hand Carved Yooperlite Tower ~ UV ReactiveThis XL hand carved Yooperlite tower has amazing colors and patterns and such a spectacular UV reactive glow! Under a UV light the tower looks as though it is on fire! The tower measures app. 7 1 8" tall by 1 5 8" wide and weighs 475 grams. Native to the northern shores of Michigan's upper peninsula (hence the name), the energies of Yooperlite have only fairly recently begun to be understood. Associated with the Throat chakra, Yooperlite (also