The Yooperlite stone Tower is a unique and eye-catching collectible featuring UV reactive properties. This 4-inch tall tower is made of Yooperlite stone, known for its vibrant colors and patterns under black light. Each tower weighs an average of 98 grams and comes from the mineral class of fluorescent minerals. Perfect for collectors or enthusiasts looking to add a special piece to their display, this Yooperlite stone Tower is sure to make a statement with its mesmerizing appearance.