The product is a unique Volcano Agate Skull from China, featuring a rare natural phenomenon where uranium particles are trapped within the stone. This Geiger Counter CPM Tested specimen showcases the beauty of natural formations and the element of surprise, making it a sought-after collectible for enthusiasts of rocks, fossils, and minerals. Displaying this piece adds a touch of intrigue and geological interest to any collection. 2.6 inches tall 2.2 inches wide 3.3 inches long and weighs 14.7 ounces.