What is the petroleumic glass?
Vaseline Glass has a long history of controversy; Even its definition was a source of endless quarrels among enthusiasts around the world. American grease Glass Collectors, Inc. It defines it as "the specific color of yellow-green glass, which is produced by the addition of two percent of the uranium oxide to the ingredients when the glass is made," insists that it will always be bright green under the Blacklight. Collectors in the UK refer to any translucent glass with oily gloss as a glass of petrolatum, and the Australians define it as glass dishes using opalescent edge. The Germans simplify matters and refer to any glass that shines under black light as uranium glass.
Although there are cases of uranium that is used to color the glass dating since the Roman Empire, the first main uranium glass producer was Josef Riedel, who mixed uranium salts to molten glass to change bright yellow -green. Named his creature "Annagelb" (Anna Yellow) n honor hisWives, but it was commonly referred to as Canary Glass. Only in the beginning of the twentieth century, when people noticed the similarities of glass color and appearance with the recently invented oil jelly, the term "grease of glass" began to stick.
Vaseline Glass is slightly radioactive, but does not contain enough uranium to be harmful. It is said that many glass working with uranium glass, especially during its flourishing in the Victorian era, died young in lung cancer, but medical experts rejected the idea that cancer was caused by uranium. Yet the controversy remains. The production of uranium glass suddenly stopped during World War II when governments confiscated all uranium supplies for fear of hitting their enemies. The ban was canceled fifteen years later in 1958, but the radiant reputation of Vaseline Glass was blurred and the daily use of everyday use. The idea of sipping coffee from a radioactive mug has becomeAnd of course unacceptable.
Today it is the domain of Vaseline Glass collectors. Vaseline Glass was widely used for table dishes, candlesticks, vases and decorative objects, so collectors have a range of objects to choose from. Season collectors propose to focus on collections around the topic, such as perfume atomizers to prevent the disposal of Mish-Mask of random yellow-green glass. While pieces produced before 1920 tend to have higher value, prices are in the extent of what average consumers can afford, so there is no reason to be able to own a piece of this unpredictable, controversial, glowing glass if they do.