What is opalescent glass used for?
While the milky and swirling mixture of colors in opalescent glass let in less light than traditional windows, it was perfect for dark late 19th century interiors with lighting provided by electricity. Used extensively in Tiffany-style lamps and windows.
How can you tell how old a Fenton glass is?
Check for a small number in the oval that denotes the year. In the 1980s, Fenton added a number 8 to the logo to indicate the decade when the pieces were made. They used a 9 during the 90s and a 0 from 2000 to the present.
What does opalescent glass look like?
Opalescent glass is a general term for clear or coloured glass with a milky white opaque or translucent effect often to either the rim (such as Davidson’s Pearline range) or centre of the glass item.
What is French opalescent glass?
opaline glass, usually opaque glass or crystal, either white or coloured, made in France between approximately 1810 and 1890. Opaline resembles the milk glass of 16th-century Venice and the opaque, white glass associated with Bristol, Eng., in the 18th century.
Does opalescent glass glow?
This vase is also an example of opalescent glass, mimicking the iridescent appearance of the gemstone opal. Here, the effect of the opalescence interacts with that of the fluorescence. It creates a softer, diffused glow, in comparison to the areas of clear glass which are a vibrant green like the finger bowl.
Is opalescent glass toxic?
“It’s in pretty much every brochure that speaks of Kokomo,” he said. But the tourist attraction could also be sending toxic chemicals into the town’s air, records show. Kokomo Opalescent Glass uses cadmium, a hazardous air pollutant, said Barry Sneed, a spokesman for Indiana’s state environmental agency.
What causes opalescence?
Opalescence is caused by the reflection of short wavelength light. It usually occurs in the blue spectrum, and due to this reflection of light a milky blue, pearly appearance occurs. Opalescence should not be confused with play of colour.
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 the same as depression glass?
Vaseline glass is yellow-colored depression glass. It gets its name from its petroleum jelly-like hue. Vaseline glass experienced its heyday between the 1880s to the 1920s, according to Studio Antiques.