![]() ![]() Between 18 his factory in Bohemia made this glass. He called the yellowish-green uranium glass Annagruen and the yellow Annagelb. Josef Reidel is often credited with inventing it, naming it after his wife. Uranium glass first made an appearance in the 1830s. Some uranium glass will also register above background radiation on a sensitive Geiger counter but this isn’t always the case. The brightness of the colour will depend on the uranium content but if glass gloves under UV, it is unmistakably uranium glass. Real uranium glass will glow green under the light. The easiest way to tell if uranium glass is real is to look at it under UV light. How Can You Tell If Uranium Glass Is Real? The manufacture of uranium glass dropped dramatically in the 1940s as a result of the Second World War, which saw the availability of uranium fall. Most uranium glass is decorative, tableware or household items, with many pieces looking like carnival glass. It soon became incredibly popular and started to be manufactured across Europe and North America. The uranium was added for the fluorescent effect it created. However, some pieces have been found to be made up of 25% uranium. Typically, pieces are made with low levels of uranium, meaning anywhere from trace amounts to 2%. Uranium glass is glass that has had uranium added to it before melting to create colours. In this guide, we’ll take you through everything you need to know about uranium glass whether you’re buying or selling antique glassware. Uranium glass has become a collector’s item over the years with many people hunting for all kinds of pieces. ![]()
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