It is also common for the glass to have white swirled along with the blue. The lightest shade is called cornflower blue and appears as a light blue, almost transparent color. 20th Century Glass deal in a wide range of antique + collectable glassware from all over the world. Warman's Depression Glass Handbook: Identification, Values, Pattern Guide, by Ellen Schroy Depression Glass and Beyond: A Guide to Pattern Identification, Schiffer Book for Collectors Also check out the National Depression Glass Association where you can find information on dealers, conventions, seminars, and shows. The Introduction of Faience. Identifying sea glass pieces is not easy. Find unusual cobalt blue glass or milkglass by Hazel Atlas. However, two or more colorants in a glaze interact so that the wavelengths of light absorbed are different … Many people like to collect the antique cobalt glass for its value, while others simply prefer the look of contemporary cobalt glass on their tables. The 2003 Vertique lamps are closer to the original colors. These are all considered to be cobalt glass. The Reproductions can be found in crystal, green, pink, ice blue, red amberina and cobalt blue. Wash your glass bottles or shards in hot, soapy water. If a piece of cobalt blue glass is used, the blue glass will absorb the yellow color, and the other substance’s flame can be seen. Cobalt is a very intense colouring agent and very little is required to show a noticeable amount of colour. or Best Offer. Anchor Hocking Miss America. Kimberly Johnson is a freelance writer whose articles have appeared in various online publications including eHow, Suite101 and Examiner. Cobalt in a fired glaze usually absorbs all wavelengths of visible light except blue and this is why a cobalt blue glaze is blue. It only requires a small amount of cobalt oxide to produce a deep, rich blue (as little as 5 ounces per ton of glass). The first carnival glass was introduced in 1907 as an economical alternative … Cobalt blue glass and cobalt blue crystal is usually a very rich deep blue. Cobalt blue glass was made using oxide of cobalt. Glass lighter than medium may be classified as sapphire. The darkest cobalt glass is called deep cobalt and has a slight purple tinge. Beside that is the number 73. Historic Glass Bottle Identification & Information Website! Often found in green followed by pink and crystal (clear). $15.20 shipping. The medium color of cobalt is a true blue color. Continue to 21 of 21 below. Consult a color-spectrum chart or a paint pigment swatch to match your various blue shades of glass against a medium true blue. Depression glass was always made using bright colors. Colors like cobalt blue was used to color bottles right from 1870s to the 1930s. or Best Offer. The bottom of the jug also has a veiny, or mosaic look about it. $21.63. According to collectors in the North American Sea Glass Collectors Association, pieces of those products wash ashore and are valued by collectors. Cobalt glass is any glass that has been combined with small amounts of copper and cobalt to produce a blue appearance. It stands for union and being united. Most blue glass is given its color from cobalt oxide or a copper oxide added to the molten glass. Features Viking Glass - A Colorful History Viking Glass grew out of its predecessor, New Martinsville Glass Company, which was established in 1900 by Mark Johnson and George Matheny. She's received honors from the Michigan Press Association, American Marketing Association and the State of Michigan Department of Commerce. Antique Cobalt Deep Blue Glass Bowl and Plate. Compare your blue glass pieces to the true blue color on the chart. Dry the glass carefully with a clean cotton cloth. $21.26. Cobalt Blue sea glass is vibrant and jewel like. Blue is a color that represents loyalty. There are three basic shades of cobalt glass. Cobalt blue is sometimes misspelled as colbalt blue.. The original colors were crystal, pink, some green, ice blue, Jadeite and royal ruby. Sort the blue glass from darkest to lightest, with the darkest pieces to the left and the lightest pieces to the right. $13.90 shipping. by Jan (Sacramento, CA) Cobalt sea glass photo from Odyssey stock files. $19.99. It is made by incorporating cobalt oxide (Cobalt is a lustrous, silver-white, hard, brittle metal) and oxide a chemical compound containing oxygen and one other chemical element. Chemical composition. How to Paint a Magnolia Flower on a Wine Glass, Copyright 2021 Leaf Group Ltd. All Rights Reserved. There are three basic shades of cobalt glass. It is a member of group VIII of the periodic table. Can someone help me identify a cobalt blue sea glass piece? Most cobalt glass found today was made after the Civil War. Here on Odyssey Sea Glass, we have thousands of visitors, some of whom are real experts in identification. In both cases, cobalt oxide produces the distinctive cobalt coloring. Most valuable color is cobalt blue. There was renewed interest in the dark blue glass in the late 1930s and glass dinnerware was made. Glass makers add elements and minerals, such as iron or cobalt oxide, to derive different colors in the glass-making process. This type of glass made by a number of different companies is characterized … I’ve look all over and can’t find a thing. Search for colored glass that is yellow, amber, blue, green, or pink. 3 watching. One such reference is provided in the Resources section. // Leaf Group Lifestyle, Society for Historical Archaeology: Bottle Dating and Values. Other blue glass may be lighter or darker than cobalt and is often created by adding copper to the mix. And there is also the number 11 off towards the edge. Today, these vintage marbles are collected rather than played with. 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. Cobalt Blue Glass: In flame tests, sodium ions may contaminant a sample and produce a flame of yellow masking the color of other ions. image by firsov from, How to Identify Vintage and Antique Brown Glass Bottles, Copyright 2021 Leaf Group Ltd. All Rights Reserved. Shown below is just one sample from each category. Carnival Glass. I have an old ten gallon glass jug, with a slight cobalt blue hue to it. Computer games are a favorite with children today, and games like Ringer, Marble Arch, Lagging, etc., playing with marbles are yet to captivate the minds of these young ones. Welcome to our gallery of Viking Glass. We sell online via our website, eBay and Etsy. $21.63. Most of the depression glass manufacturers opt for cobalt blue for the color of their glass wares. This glassware was designed to be bold and stand out, so look for pieces that catch your eye. Cobalt glass has been discovered in ancient Babylonian sites, but it was not produced commercially until the late 1800s. Some glass will be entirely blue, while other pieces may have a striated blue appearance. Cobalt blue is highly prized both as a pigment and as an unusual color for glass. Three of the 2003 Vertique colors–rose, blue and green–are fairly similar to original Aladdin Moonstone colors. The only markings on it are a capital ‘i’ in a circle on the bottom. cobalt hen on nest is very different in style from Fenton's, and the shape of her tail, and the details of her face are unlike any of Fenton's hen on nest dishes. She has a degree in journalism from the University of Georgia and began writing professionally in 2001. still life with blue glass. Wash your glass bottles or shards in hot, soapy water. About. Need help identifying a cobalt blue glass item I have that I can't find anything else similar or to find out what I - Answered by a verified Antique Expert. 3 watching. Ph.D. antiques appraiser Dr. Lori reveals tips to tell the difference between soda lime glass, pressed, molded, and cut glass. A potassium flame is visible through cobalt glass due to the color absorption properties of the blue glass. Some collectors comb the beaches to add pieces of cobalt blue sea glass, which they believe to be the best type of sea glass they can acquire. Examine glass shards with a magnifying glass to detect identification marks that may be embossed on the glass. $13.90 shipping. Beak being pulled into place A stage in the manufacture of a Bristol blue ship’s decanter. Kate Sheridan is a freelance writer, researcher, blogger, reporter and photographer whose work has appeared in numerous newspapers, magazines and trade publications for over 35 years. Cobalt glass plates are used as an optical filter in flame tests to filter out the … Cobalt glass WARNING: (this paragraph first posted February 23, 2014, updated July 19, 2015). It was easy to spot these first Vertique lamps because ruby and cobalt blue were not made in 1938. The lightest shade is called cornflower blue and appears as a light blue, almost transparent color. Look for any type of glassware, vase, flask or jar that has a blue appearance. She attended Oakland University and The University of Michigan, beginning her journalism career as an intern at the "Rochester Eccentric." Cookie jar, juice, and water tumblers have been reproduced in a very dark cobalt blue, according to Collector's Encyclopedia of Depression Glass by Gene Florence. // Leaf Group Lifestyle, WebExhibits: Pigments Through the Ages, Cobalt Blue. Glass collectors and artists frequently classify the lighter, less dense blue shades, such as sky blue and cornflower blue, as part of the "sapphire blue" family. We also have a For Sale board where any member can list Hazel Atlas Depression Glass items they have to sell, and a Wanted board where you can advertise Hazel Atlas depression glass items you are looking to buy. 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. The elite members of the German society wanted elaborately decorated steins made of silver, pewter or glass which were made in Bavaria, Koblenz and Koln. I have a question. Protect your hands with gloves when handling glass pieces.

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