Cool Uranium Glass NEON Ring green purple vintage glass drop 1950s gold uranium rhinestones made in Germany The pictured ring was handmade in our Cologne studio. The setting is made of galvanized tombac (a copper alloy), real gold-plated. The inserted stone is original uranium glass handmade in Germany from the 1950s. Combined with a Swarovski stone in purple aurora borealis iridescent. Stone size: Approx. 13 x 8 mm & 10 x 6 mm Color: Neon green - glowing in black light & purple - aurora borealis iridescent. The ring size is adjustable and can be individually adapted to any finger. All work steps are lovingly handcrafted under fair conditions in Germany. The inserted vintage Bohemia glass stones date from the 1950s to the 1970s. For marbled or multicolored stones, slight color variations are possible.