Is all blue glass cobalt?

No, not all blue glass is cobalt glass. Only those made with cobalt oxide can be called cobalt. In some pieces, the presence of copper oxide accounts for the color, however, cobalt glass is much more common. You'll find a collection of cobalt glass on 1stDibs.

How do you identify cobalt blue glass?

If your glass has a blue tint to it, it is likely cobalt blue glass. There are three shades of cobalt glass; dark cobalt, which has a slight purplish hue, light or cornflower blue and medium blue. To verify its authenticity, check with an appraiser. You can also shop a collection of cobalt blue glass from some of the world’s top sellers on 1stDibs.

How old is cobalt blue glass?

How old cobalt glass is varies greatly. Ancient Mesopotamian examples exist from roughly 2000 BC. In China, cobalt glass became common during the Zhou Dynasty, which lasted from 1122 to 221 BC. European cobalt glass may date back to as early as the 15th century. Shop a collection of antique cobalt glass on 1stDibs.

How can I tell if a glass is cobalt blue?

Cobalt blue glass is a deep blue glass that often gets its color by the addition of cobalt oxide in the molten glass mixture when the glass is being formed. The best way to identify cobalt blue glass is by the color. Shop a collection of cobalt blue glass from some of the world’s top sellers on 1stDibs.

Does cobalt make glass blue?

Yes, cobalt oxide makes glass blue. Different amounts of cobalt can be used to create more saturated levels of blue or to simply neutralize yellow for a more clear finish. Copper oxide can also be used to create a blue tinted glass. Shop a collection of cobalt glass from some of the world’s top sellers on 1stDibs.

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Cobalt Blue Bowl For Sale on 1stDibs

Find many varieties of an authentic cobalt blue bowl available at 1stDibs. A cobalt blue bowl — often made from glass, ceramic and art glass — can elevate any home. Find 219 options for an antique or vintage cobalt blue bowl now, or shop our selection of 5 modern versions for a more contemporary example of this long-cherished piece. There are many kinds of the cobalt blue bowl you’re looking for, from those produced as long ago as the 18th Century to those made as recently as the 21st Century. A cobalt blue bowl, designed in the mid-century modern, modern or Art Deco style, is generally a popular piece of furniture. A well-made cobalt blue bowl has long been a part of the offerings for many furniture designers and manufacturers, but those produced by Hazel-Atlas, Cenedese and Elsa Peretti for Tiffany Co. are consistently popular.

How Much is a Cobalt Blue Bowl?

Prices for a cobalt blue bowl can differ depending upon size, time period and other attributes — at 1stDibs, they begin at $60 and can go as high as $98,500, while the average can fetch as much as $849.

Questions About Cobalt Blue Bowl

Is all blue glass cobalt?
1 Answer
1stDibs ExpertApril 5, 2022
No, not all blue glass is cobalt glass. Only those made with cobalt oxide can be called cobalt. In some pieces, the presence of copper oxide accounts for the color, however, cobalt glass is much more common. You'll find a collection of cobalt glass on 1stDibs.
How do you identify cobalt blue glass?
1 Answer
1stDibs ExpertApril 5, 2022
If your glass has a blue tint to it, it is likely cobalt blue glass. There are three shades of cobalt glass; dark cobalt, which has a slight purplish hue, light or cornflower blue and medium blue. To verify its authenticity, check with an appraiser. You can also shop a collection of cobalt blue glass from some of the world’s top sellers on 1stDibs.
How old is cobalt blue glass?
1 Answer
1stDibs ExpertApril 5, 2022
How old cobalt glass is varies greatly. Ancient Mesopotamian examples exist from roughly 2000 BC. In China, cobalt glass became common during the Zhou Dynasty, which lasted from 1122 to 221 BC. European cobalt glass may date back to as early as the 15th century. Shop a collection of antique cobalt glass on 1stDibs.
How can I tell if a glass is cobalt blue?
1 Answer
1stDibs ExpertApril 5, 2022
Cobalt blue glass is a deep blue glass that often gets its color by the addition of cobalt oxide in the molten glass mixture when the glass is being formed. The best way to identify cobalt blue glass is by the color. Shop a collection of cobalt blue glass from some of the world’s top sellers on 1stDibs.
Does cobalt make glass blue?
1 Answer
1stDibs ExpertApril 5, 2022
Yes, cobalt oxide makes glass blue. Different amounts of cobalt can be used to create more saturated levels of blue or to simply neutralize yellow for a more clear finish. Copper oxide can also be used to create a blue tinted glass. Shop a collection of cobalt glass from some of the world’s top sellers on 1stDibs.