Extraordinarily dense and heavy (+1pound) Uraninite with beautiful colors of oranges, blues, and even a purple hue. The copper minerals withing are likely metallic Bornite and Covellite. The Uraninite portion is exceptionally active and very dense. You can feel the power in this beautiful piece the second you pick it up. 
🔥 +1 Million CPM on Radiacode 110
Radium King Mine, Utah
460 grams
10x7.7x4.4 cm