Petrified Wood Sphere Orb Quartz Crystal Ball Fossil Mineral UV. Weight: 874g or 1.9lbs. Diameter: 3.4 inches (softball size). UV Reactive (Fluorescence)—turns brown and yellow under UV light. This is the exact petrified wood sphere fossil that you will receive. I used indoor, outdoor, and 365nm UV lighting so you have a better perspective of […]