Usually ranging 30k to 40k cpm on radiacode 103. These unique crystal formations are almost half pure uranium at 48.27 percent. The yellow and greens are beautiful but the real fun comes under the UV light with an intense neon green glow. For one random piece. I usually pick the larger and better crystals here on my personal website and you are already getting an extra gram versus Amazon price. Plus you get loyalty points if you are signed up. 
From China.