Look for any type of glassware, vase, flask or jar that has a blue appearance. These are all considered to be cobalt glass. Some glass will be entirely blue, while other pieces may have a striated blue appearance. It is also common for the glass to have white swirled along with the blue.
Moderately priced vintage selections in cobalt blue vary widely in variety and price. You can still find a single Chevron milk pitcher or violin-shaped bottle in this color for well under 30 dollars. Authentic Shirley Temple pieces from the Depression-era can still be found for under 50 dollars apiece.
Similarly, when was cobalt blue glass popular? Bristol Blue is one of the most famous. Fentons blue carnival glass is a cobalt blue. So is Fentons Royal Blue and Periwinkle Blue (both from the 1930s), their Blue Silvertone in the Sheffield pattern and Velva Blue from 1981. The Cambridge Glass Company used cobalt for their Royal Blue and their Moonlight Blue.
Also, what is cobalt blue glass?
Cobalt glass—known as smalt when ground as a pigment—is a deep blue coloured glass prepared by including a cobalt compound, typically cobalt oxide or cobalt carbonate, in a glass melt. Cobalt is a very intense colouring agent and very little is required to show a noticeable amount of colour.
Is blue glass worth money?
A glass or plate may sell for under while sets and larger items may run upwards of . Pink glass is most valuable, followed by blue and green.
