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UV SEA GLASS: There is something magical about finding a beautiful piece of sea glass washed upon the shore. It's like a little surprise treasure, gifted to you by the ocean. Even more magical is holding a black light to your coveted piece and discovering it glows! If you are lucky enough to find a piece of sea glass made with uranium dioxide then you can expect to see your lovely beach treasure glow under a black light. Ultraviolet glass or UV glass is a yellow-green glass that was mostly produ …