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. Beside that is the number 73. Examine the saturation of the blue color within the glass. Chemical composition. $21.63. Cobalt glass has been discovered in ancient Babylonian sites, but it was not produced commercially until the late 1800s. Glass makers add elements and minerals, such as iron or cobalt oxide, to derive different colors in the glass-making process. Antique bottles are usually dark green, amber, or blue in color. Nearly all companies made their product in this unique color. As far as the age of the sea glass, that also depends mostly on identifying what that shard is from. The original colors were crystal, pink, some green, ice blue, Jadeite and royal ruby. Determine if the cobalt glass is antique or modern. In both cases, cobalt oxide produces the distinctive cobalt coloring. 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. There was renewed interest in the dark blue glass in the late 1930s and glass dinnerware was made. Get the best deals on Blue Antique Original Cobalt Glassware when you shop the largest online selection at eBay.com. $21.63. I have an old ten gallon glass jug, with a slight cobalt blue hue to it. Cobalt Blue Glass: In flame tests, sodium ions may contaminant a sample and produce a flame of yellow masking the color of other ions. Lot 2 Cobalt Blue Glass Anchor Hocking Condiment Relish Banana Split Boat Dish . Antique Cobalt Deep Blue Glass Bowl and Plate. Other blue glass may be lighter or darker than cobalt and is often created by adding copper to the mix. I’ve look all over and can’t find a thing. 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 best known sources for cobalt blue sea glass are vintage Noxzema Jars, Bromo Seltzer, Milk of Magnesia, Vicks Vapor Rub, medicine and poision bottles, castor oil bottles, glass rolling pins, Collyrium soothing eye lotion glass eye wash cups, ink bottles and perfume bottles. Cobalt in a fired glaze usually absorbs all wavelengths of visible light except blue and this is why a cobalt blue glaze is blue. 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. Dry the glass carefully with a clean cotton cloth. 3 watching. Sort the blue glass from darkest to lightest, with the darkest pieces to the left and the lightest pieces to the right. Wash your glass bottles or shards in hot, soapy water. Lot 2 Cobalt Blue Glass Anchor Hocking Condiment Relish Banana Split Boat Dish . We use cookies to give you the best possible experience on our website. Spread the dry blue glass pieces or bottles on a white towel or white sheet on a flat surface. The bottles are usually found in cobalt blue glass (they are also rarely seen in aqua glass), in a variety of sizes. Wash your glass bottles or shards in hot, soapy water. WARNING: (this paragraph first posted February 23, 2014, updated July 19, 2015). Bold colors were rarely used, so if you find a so-called antique bottle in bright red, yellow, green, or purple, chance are that it … The more letters, symbols, etc, the more possible that an identification can be made. About. Carnival Glass. We sell online via our website, eBay and Etsy. These are all considered to be cobalt 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. Today, these vintage marbles are collected rather than played with. The glass contains cobalt oxide, which creates a deep yet bright blue, and 24% lead oxide (PbO).. See also. Historic Glass Bottle Identification & Information Website! Look for any type of glassware, vase, flask or jar that has a blue appearance. Protect your hands with gloves when handling glass pieces. For more information, explore our identification guides for glass colors, cut glass and Depression glass. Colors like cobalt blue was used to color bottles right from 1870s to the 1930s. $19.99. Cobalt blue glass and cobalt blue crystal is usually a very rich deep blue. $13.90 shipping. The bottom of the jug also has a veiny, or mosaic look about it. According to collectors in the North American Sea Glass Collectors Association, pieces of those products wash ashore and are valued by collectors. Most cobalt glass found today was made after the Civil War. Glass lighter than medium may be classified as sapphire. Some commercial products, such as Vicks, Noxzema skin cream and Phillips' Milk of Magnesia, use true cobalt glass in their packaging. Other blue glass may be lighter or darker than cobalt and is often created by adding copper to the mix. Cobalt glass I don't know where it was found but I think it was on the Pacific coast somewhere. Cobalt blue glass was made using oxide of cobalt. Here on Odyssey Sea Glass, we have thousands of visitors, some of whom are real experts in identification. She's received honors from the Michigan Press Association, American Marketing Association and the State of Michigan Department of Commerce. Other common colors of depression glassware are cobalt, custard, amethyst, jadeite, and delphite. Cobalt glass plates are used as an optical filter in flame tests to filter out the … Anchor Hocking Miss America. The darkest cobalt glass is called deep cobalt and has a slight purple tinge. This type of glass made by a number of different companies is characterized … According to the Society for Historical Archaeology, several shades of blue are darker and denser. Most valuable color is cobalt blue. Three of the 2003 Vertique colors–rose, blue and green–are fairly similar to original Aladdin Moonstone colors. The earlier bottles are hand-blown with a tooled lip, and the later examples are machine-made. Most clear glass begins as a combination of a silica or sand, plus soda and lime. Those darker shades most usually fall into the "cobalt blue" classification. It is a member of group VIII of the periodic table. 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. The lightest shade is called cornflower blue and appears as a light blue, almost transparent color. Ph.D. antiques appraiser Dr. Lori reveals tips to tell the difference between soda lime glass, pressed, molded, and cut glass. Cream and Sugar sets of the reproductions are much smaller than the originals, and have many bubbles in the glass This glassware was designed to be bold and stand out, so look for pieces that catch your eye. 20th Century Glass deal in a wide range of antique + collectable glassware from all over the world. A potassium flame is visible through cobalt glass due to the color absorption properties of the blue glass. The last machine-made types have a screw-threaded lip. The Bureau of Land Management (BLM), an agency within the U.S. Department of the Interior, administers and manages over 248 million surface acres of America's public lands, located primarily in 11 Western States and Alaska. Welcome to our gallery of Viking Glass. It is also common for the glass to have white swirled along with the blue. Search for colored glass that is yellow, amber, blue, green, or pink. Most of the depression glass manufacturers opt for cobalt blue for the color of their glass wares. Compare the shape and edges of the cobalt blue tail of the non-Fenton hen on the far left, to Fenton's hen tops' tails shown to in the center and on the right. Kimberly Johnson is a freelance writer whose articles have appeared in various online publications including eHow, Suite101 and Examiner. 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. 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. Examine glass shards with a magnifying glass to detect identification marks that may be embossed on the glass. The characteristic bright dark blue identifies it for the collector. The only markings on it are a capital ‘i’ in a circle on the bottom. Cobalt is a very intense colouring agent and very little is required to show a noticeable amount of colour. 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. There are three basic shades of cobalt glass. We also have an in-depth encyclopaedia guide on many types of glassware, with lots of information and pictures. Work in a well-lit area. The first carnival glass was introduced in 1907 as an economical alternative … Is blue glass worth money? HobbyZeal's collection of marbles reveals some secrets on how to identify antique marbles for your collection! 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 lightest shade is called cornflower blue and appears as a light blue, almost transparent color. 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. Shown below is just one sample from each category. Blue is a color that represents loyalty. By the mid-seventeenth century, German beer and stoneware beer steins were in high demand. There are three basic shades of cobalt glass. The 2003 Vertique lamps are closer to the original colors. Cobalt glass absorbs the yellow color produced by sodium contamination in a sample, leaving only the purple light produced by potassium. Cobalt glass is any glass that has been combined with small amounts of copper and cobalt to produce a blue appearance. Consult a color-spectrum chart or a paint pigment swatch to match your various blue shades of glass against a medium true blue. These first lamps were made only in ruby and cobalt blue glass. or Best Offer. Identify Cobalt Blue Sea Glass. It was easy to spot these first Vertique lamps because ruby and cobalt blue were not made in 1938. Continue to 21 of 21 below. 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. Depression glass was always made using bright colors. Compare the cobalt glass that you have with collectors' references to determine the value of the glass. (Cobalt, the element, is a lustrous, silvery-blue metal, which is also magnetic.) Preston Says "If you are not a Viking Art Glass Member you can still purchase complete information on a single item !" Identifying sea glass pieces is not easy. // Leaf Group Lifestyle, Society for Historical Archaeology: Bottle Dating and Values. 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. She has a degree in journalism from the University of Georgia and began writing professionally in 2001. still life with blue glass. Beak being pulled into place A stage in the manufacture of a Bristol blue ship’s decanter. Although cobalt glass is available anywhere that sells glassware, the antique cobalt blue glassware is far more valuable. Find unusual cobalt blue glass or milkglass by Hazel Atlas. The medium color of cobalt is a true blue color. Cobalt is distinctive for its rich and deep intensity. Cobalt blue is highly prized both as a pigment and as an unusual color for glass. Carnival Glass. Compare your blue glass pieces to the true blue color on the chart. The Reproductions can be found in crystal, green, pink, ice blue, red amberina and cobalt blue. The darkest cobalt glass is called deep cobalt and has a slight purple tinge. The Introduction of Faience. I have a question. Can someone help me identify a cobalt blue sea glass piece? Cobalt is a very intense colouring agent and very little is required to show a noticeable amount of colour. Click on the picture or category name to view all the items in the category. And there is also the number 11 off towards the edge. 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. $15.20 shipping. 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. The medium color of cobalt is a true blue color. Often found in green followed by pink and crystal (clear). Cobalt Blue sea glass is vibrant and jewel like. by Jan (Sacramento, CA) Cobalt sea glass photo from Odyssey stock files. One such reference is provided in the Resources section. Cobalt is distinctive for its rich and deep intensity. Most blue glass is given its color from cobalt oxide or a copper oxide added to the molten glass. It stands for union and being united. She attended Oakland University and The University of Michigan, beginning her journalism career as an intern at the "Rochester Eccentric." // Leaf Group Lifestyle, WebExhibits: Pigments Through the Ages, Cobalt Blue. Bristol blue glass heron. Protect your hands with gloves when handling glass pieces. 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. However, two or more colorants in a glaze interact so that the wavelengths of light absorbed are different … Those glass pieces or bottles darker than medium may be classified as cobalt. 3 watching. Vintage Cobalt Hand Blown Glass Pitcher 5 Glasses Swirl Pattern Stunning. or Best Offer. $21.26. 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. Some glass will be entirely blue, while other pieces may have a striated blue appearance. $13.90 shipping. It only requires a small amount of cobalt oxide to produce a deep, rich blue (as little as 5 ounces per ton of glass).
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