Some adorable uranium glass mushroom earrings. Jewelry is silver colored and nickel free / hypoallergenic. Hooks are sterling silver.
For hundreds of years, glassmakers used small amounts of uranium to create yellow or green glass. The yellow tint of this glass led to the nicknames “Vaseline glass” and “canary glass.” Under an ultraviolet (UV) or “black” light, the uranium causes the glass to glow bright green
