Uranium glass made by specific manufacturers can also be worth more, so it is worth looking into the most sought after pieces if you want to start a collection. However, uranium glass was also used to make more intricate or decorative glassware. Uranium glass can be worth anywhere from under £100 to over £10,000, with the scarcity of a piece having a big impact on its value.Īs uranium glass was used to manufacture household items, some pieces are incredibly common and can be picked up at a relatively low price. Vaseline glass is also transparent, whereas some types of uranium glass are opaque, such as custard glass and Burmese glass. Vaseline glass has a distinctive yellow colour, which is why it is often referred to as canary glass. Uranium glass is used as a blanket term for any glass containing uranium, but vaseline glass is a very specific type of uranium glass. Is Vaseline Glass The Same As Uranium Glass? Today, only a few manufacturers continue to make some form of uranium glass. Scarcity of uranium between 19 meant that production paused in many areas and was stopped completely in the US as the government confiscated uranium supplies for the Manhattan Project. There was a huge rise in popularity in the 1880s and London-based Whitefriars Glass Company was one of the first companies to bring uranium glass to the mass market. This glass became known as vaseline glass because of its yellow colour. Later in the 19th century, uranium glass started to be made with heat-sensitive chemicals that turned a milky white colour when they were reheated. Over time, the glass started to be made at more factories, including the Choisy-le-Roi factory in 1838 and Baccarat in 1843. 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.

Black light for uranium glass