Is carnival glass uranium glass?
7) Uranium Glass Also called Vaseline glass, these pieces are usually yellow or green and have graced many an American table. As part of the carnival glass craze, these pieces were often given as prizes at fairs in the 1930s.
How can you tell if you have uranium glass?
Perhaps the most reliable way to identify the presence of uranium in the glass is to expose it in the dark to a source of ultraviolet light (e.g., a black light). If the glass glows a rich green color, it contains uranium.
Why do they call it carnival glass?
Carnival glass is pressed glass with mineral or metallic salts added during the manufacturing process to create the iridescent rainbow of colors it comes in. Carnival glass gets its name from the fact that it was a common prize at carnivals from around 1907 to 1925.