Vaseline glass is glassware that is made with uranium content to give a pale yellow green colour similar to that of petroleum jelly. Uranium glass glows bright green under UV light. Most Vaseline glass was produced during the Victorian era.
Is Vaseline glass always green?
In other words; The fluorescence of vaseline glass is always green. Either red/orange fluorescence or blue/greenish-blue fluorescence means NOT vaseline (or uranium) glass. A portable ultraviolet rays lamp is so called a “BLACK LIGHT”, and you can buy in a large electric appliances store.
How can you tell if its Vaseline glass?
Shine your UV light on the glass piece and look for a neon green glowing color.
- Using a black light is the only sure way to identify vaseline glass.
- Other glass pieces may turn green under a black light, but they will not glow like vaseline glass does.
- Remember the phrase, “if it doesn’t glow green, it’s not vaseline.”
What is Vaseline glass worth?
$20 to $50
Vaseline Glass Values Many individual pieces of Vaseline glass sell in the range of $20 to $50, but they can be worth more or less depending on a number of factors. The condition of the piece is very important, with scratches, chips, and repairs having a negative effect on value.
How do you date Vaseline glass?
Vaseline Glass is always verifiable by using an ultraviolet light (blacklight) on the glass item. When this is done, the glass turns a bright flourescent green.
Is green Depression glass radioactive?
Not all green Depression glass is radioactive and there are pieces that pre-date the 1930s that also contain detectable levels of radiation. Uranium glass is prized for the deep color it gives off and will glow fluorescent under a UV light. Other colors like blue, aqua, and even red have been found to contain uranium.
Does green Depression glass glow?
Both green Depression glass and Vaseline glass will glow under a black light due to the uranium oxide content in the glass. Old Burmese glass fluoresces a similar yellow-green color. American colorless pressed glass made before 1930 is said to fluoresce yellow, while reproductions generally do not.
Is green glass valuable?
The values are similar for all styles. Produced by Hocking Glass Company around 1929 to 1933, this green glass cup is a common find. The value has generally held steady around $5 for a single cup for a few decades.
Is green glass worth anything?
Do they still make Vaseline glass?
At present (2004), a few companies in the U.S. are still making Vaseline glass (e.g., Boyd Crystal Art Glass, Mosser, Summit Glass and Fenton Glass), but it is exclusively of the decorative variety. No dinnerware is being made. The uranium content of Vaseline glass is often on the order of 2% by weight.
Is all Fenton glass uranium?
database. Fenton Art Glass was well-known for its glass-working techniques and the many colors it produced, some of which used uranium 238, which is radioactive. Uranium was first used to color glass in the 1830s and it has continued to be used for this purpose with the exception of a 15-year period beginning in 1943.
Is vaseline glass still made?
FACT: Vaseline Glass is still being produced today, using the same compounds as over 100 years ago. It is not illegal and the uranium, while regulated, is available. At least for the time being. MYTH: “The stuff they’re making these days isn’t the real Vaseline Glass.
What color is vaseline glass?
Vaseline glass. The most typical color of uranium glass is pale yellowish-green, which in the 1920s led to the nickname vaseline glass based on a perceived resemblance to the appearance of petroleum jelly as formulated and commercially sold at that time. Specialized collectors still define vaseline glass as transparent or semi-transparent…
What is the history of vaseline glass?
Uranium Glass (also known as vaseline glass) has a very interesting history. It was first invented in Europe in the 18th century. It got its name because of its transparent yellow geen color which is almost identical to petroleum jelly. Production of the glass exploded in the 1920s and the radiation craze swept the world.
Does all vaseline glass glow?
For many glass collectors, the only color that matters is Vaseline. That’s the catch-all word describing pressed, pattern, and blown glass in shades ranging from canary yellow to avocado green. Vaseline glass gets its oddly urinous color from radioactive uranium, which causes it to glow under a black light.
