Uranium glass necklace vaseline glass beads vintage. Length 31 cm. Unique handmade jewelry. Under the influence of UV light, the uranium oxide that gives the glass its color glows in a ghostly green light. Please check my other items! The beads come from a craft manufactory in the Czech Republic, I guarantee their originality. The delivery is traceable, the delivery time is usually a maximum of 10 working days. (Less in Europe, more for the rest of the world). If you have any questions about the product, feel free to ask.