Don’t be fooled by external appearance or texture. A cut glass mold does not impart any designs onto the molten glass. I started out as a barber and Sue worked in the produce department with the Kroger Company. A black light will make true uranium glass glow very brightly, while the Geiger counter will indicate the presence of radioactive material. Uranium glass can be detected with a geiger counter, or an ultraviolet (UV) light. and you can buy in a large electric appliances store.@(Although the radiation The most common color of uranium glass is pale yellowish-green, which in the 1930s led to the nickname "Vaseline glass" based on a perceived resemblance to the appearance (which was a yellow-green color) of Vaseline brand petroleum jelly as formulated and commercially sold at that time. Parenting is a career, so owning Boyd Glass made this our third career. Vaseline glass. Vaseline glass is a recent term that probably dates from the 1950s. Be advised that over time, requirements could change, new data could be made available, and Internet links could change, affecting the correctness of the answers. To identify whether a piece of glass is Fenton glass, look for a sticker near the bottom of the item. As a result, the glass is delicate and may be chipped or scratched from use. To convert these to traditional units we have prepared a. uranium. The only worldwide collectors club for this glass, The Vaseline Glass Collectors, Inc., uses the following definition: A related question that may also be of concern is whether contact with the radioactive Vaseline® dinnerware could cause other materials to become radioactive. Again, the answer is NO. Art Glass 20941 of 21203: 38. Then go online and check if the glass master is indeed located in Murano, Italy. The company was founded in 1900, originally producing mouth-blown, etched glass, but converting to mass produced manufacturing in the 1920s. This competition is in the form of reproduction glassware made to look like old and collectible pattern glass from the turn of the 20th century, but produced after 1930 or even after 1990. Canary glass is an even older name that was first used in the 1840s to describe what is now referred to as Vaseline glass. Category: Consumer Products — Radioactive Ceramics and Glass. Nobody wants fake sunglasses. For more tips, including how to identify common depression glass patterns, read on! The atom instantly releases its activated energy as visible light of green color. Like all types of colored glass, minerals are added to the molten mixture during production to achieve the color.The type of mineral added to vaseline glass is actually what makes it glow. Genuine early American flint glass is getting mighty thin on the ground these days. When you hold glass up to the light, you won’t see a difference, but fine crystal will sparkle in the light. The vases rest on a Vaseline glass base. The uranium glass is described by its color. The vaseline reproduction was first made in 1972 then made again in 1996. This article explains how to tell the difference. A 2001 study by the US Nuclear Regulatory Commission indicated that some uranium might be leached from the glass by acids that could result in very small radiation exposures to regular users of the glassware. The simplest way to positively identify uranium glass is through the use of a black light and a Geiger counter. Uranium glass glows bright green under UV light, and this … This is a good question that may concern other people with such glassware. Vaseline glass is glassware that is made with uranium content to give a pale yellow green colour similar to that of petroleum jelly. Some refer to uranium glass as Vaseline glass, although the two actually differ. Petroleum jelly consists of waxes and mineral oils that melt easily. A pressed glass mold — which can be made up of two to four different pieces — imparts the design directly onto the molten glass that is then cooled and removed from the mold. 0) Fluorescence It glows green under UV, and genuine uranium glass. In other words; The fluorescence of vaseline glass is always green. Some of these are almost exact replicas of the real stuff, making the task of picking out the authentic ones all the more difficult. Uranium emits radiation energy because it has an unstable nucleus. Here, the members of JUGCC (Japan Uranium Glass Collectors Club) have contributed Uranium or Vaseline glass is a yellow-green color, and if authentic will fluoresce under a black light. Can I use this cabinet or would it be contaminated? 4)Opaque light blue uranium glass A pontil mark is a mark on the bottom of an item where the punty rod was attached during the glass making process. Other countries have their own definition for vaseline glass. It is said that American brilliant cut glass casts a yellow hue under ultraviolet light. I have so much! So Sunglass Rob is here to let you know how you can tell if your Costa frames have authentic Costa lenses in them. Thus atoms of materials in contact with radioactive dinnerware do not become radioactive. A real Victorian oil lamp is heavy because the glass was thicker, and maker’s marks or names may be embossed on the font itself or on the shade. While some Uranium glass has an oily sheen to it, that doesn’t mean that a piece lacking said sheen isn’t real. For instance, people in Australia use the words, ‘vaseline glass’ for any type of glass that has an opalescent rim. Reproduction tumblers are easily identified because they do not have the patent number. I am also concerned about the dishwasher she used to clean the Vaseline® glass. While today there is general acknowledgment that this wasn’t a great idea, it did make for some striking glassware that is very popular with collectors today. Forgeries of diamond-tip marks appear most frequently on inexpensive crystal made in Eastern Europe. If you’re serious about only collecting Uranium or Vaseline glass, carry a small black light wand with you, since that is the only sure-fire way to see the presence of Uranium. Feel free to browse our site using the menu above…. 1895-1910 then again as kitchen glassware, ca. The first, the Northwood "script" signature (Fig.1) originated about 1899 at his Indiana, Pennsylvania plant. Photo via Dave Peterson at VaselineGlass.org Top: The relationship between a piece of glass’s propensity to glow and its uranium content is often not predictable. However, using Vaseline's low melting point to your advantage by using warm water combined with products meant for emulsifying oils can make the process easier. Search Vaseline glass manufactures Boyd and Westmoreland. Contact us at: info@vaselineglass.org 1930-1939 and commonly produced in pink, green, Delphite (opaque blue) and clear. Both green Depression glass and Vaseline glass will glow under a black light due to the uranium oxide content in the glass. I hope people don't think it's real and start bidding! To the best of our knowledge, answers are correct at the time they are posted. harm to your eyes. Uranium glass is opaque. The white glass is generally opaque, with hints of blue, pink or yellow showing through. Answer posted on 18 September 2015. How blessed we have been. Furthermore, to make sure that the signature is original, compare it with the signature of … American colorless pressed glass made before 1930 is said to fluoresce yellow, while reproductions generally do not. Above: Flower vases made at the Thomas Webb & Sons factory in England. Hello everyone, I have a beautiful china cabinet which came from my grandma. This is a basic requirement of all vaseline/uranium glass collectors. 27-apr-2013 - I love how real uranium vaseline glass glows under black light. New coasters are identical to originals; the only way to tell The vaseline reproduction was first made in 1972 then made again in 1996. Earlier versions of Vaseline glass were referred to canary glass. The information posted on this web page is intended as general reference information only. @A portable ultraviolet rays lamp is so called a "BLACK LIGHT", Last Updated On: December 27, 2020. Old Burmese glass fluoresces a similar yellow-green color. The answer is that NO residual radioactivity will remain in your cabinet or dishwasher. Antique and collectible glassware has had competition for years. You might also like to read a Fact Sheet on this topic or the response to another related question. Transfer of that energy does not cause the nuclei of other atoms to become unstable. Vaseline glass. Photo via Dave Peterson at VaselineGlass.org Top: The relationship between a piece of glass’s propensity to glow and its uranium content is often not predictable. Forged marks are generally quite large and appear on pieces with obvious mold seams. New coasters are identical to originals; the only way to tell new from old coasters is by color. The coloring agent in Vaseline® glass is uranium which is mixed into the glass at the time of production. It glows, but they aren't using the right stuff." Flaccus filled in the gap by obtaining the U.S. Glass Co. license to make Vaseline jars at his Enterprise Glass Co. in 1893 – again probably only for a year, although the timing is less certain, and Flaccus may have continued either machine or hand production of the Vaseline jars – … Depression glass and carnival glass … The Federal Glass Company produced pressed glass, more commonly referred to as "Depression Glass" in Columbus Ohio. How to Identify Vaseline Glass There are sellers on eBay who call any piece of glass that’s yellow, light green, or greenish-yellow “vaseline.” While vaseline glass IS that color, that’s like saying all red fruits are apples. A surprisingly effective fix for knowing if pearls are real is to drop a pearl onto glass and measure the bounce. glass)" , and "What is genuine vaseline glass and what is not?" Vaseline® co-created with Black women in the spotlight from beauty, sports and the arts to craft Illuminate Me Shimmering Body Oil. Cherry Blossom Depression Glass. from uranium atom in vaseline glasses is negligibly small, UV light is In Art Glass > Show & Tell and Glassware > Vaseline Glass > Show & Tell. Common colours are marigold, amethyst, green, and blue. _____ Milk glass, often used to make lamp bases, is translucent when held up to the light. Above: Flower vases made at the Thomas Webb & Sons factory in England. The bottom line is that your cabinet and dishwasher are perfectly safe to use without concern for contamination with uranium. or blue/greenish-blue fluorescence means NOT vaseline (or uranium) glass. Hold it to an ultraviolet light. This is a good question that may concern other people with such glassware. This green light wavelength (550 nano-meter) is unique to the uranium atom. Regardless of the size of the piece of glass, the mark is quite small, generally about 3/16 of an inch high, about ¾ inches wide, and rarely over one inch long. In natural or indoor light, Vaseline glass has a yellow or yellow-green tinge similar to the color of the old formula of Vaseline petroleum jelly, which is where its name comes from. The Federal Glass Company produced pressed glass, more commonly referred to as "Depression Glass" in Columbus Ohio. However, if your piece does not have any marks or labels, it … Vaseline glass (in the USA) is defined by the VGCI to first, be yellow to yellow-green and second, to glow green under a UV light. Opaque glass, commonly known as milk glass, reached the height of its popularity in the 19th and early 20th century when it was produced as a more economical option to European glass and china. 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. The Jeanette Glass Company, like most companies who survived the Great Depression, has quite an interesting history.The company began in 1887, in the town of Pennsylvania that shares the company’s name, as a simple bottle company. I am looking for something to put on top of it, and I also have a rather large collection of vaseline glass plates, serving platters, ect. Shop for-and learn about-Antique and Vintage Fenton Glass and Art Glass. You may also see an oval with the word Fenton stamped into the glass if the piece was made after 1970. Reproduction tumblers are easily identified because they do not have the patent number. The answer is that NO residual radioactivity will remain in your cabinet or dishwasher. The vases rest on a Vaseline glass base. Pontil Marks: 99.99% of the time, Fenton will not have a pontil mark on the bottom. Vaseline glass has now become a generic term that is used in the United States, which goes to show that the English language is always changing. Crystal will also feel more smooth and rounded than glass, which will feel more brittle. It helps if there is a mark identifying a certain Murano company or a signature of the master glass-maker on the item, and some Murano Glass companies do label, stamp or sign their work in some way. Vaseline glass, though similar, is transparent. Who can I show that can tell me if real or reconstituted uranium glass? The fluorescence of vaseline (uranium) glass is always green. This is NOT vaseline glass. OP Where does your interest in flint lie? Thus, there is no reason to expect any uranium to remain in the dishwasher. If you purchase Vaseline glass in a store or from another buyer, ask for verification with the UV light test. Uranium glass, an older and more general term, is sometimes used as a synonym for Vaseline glass, but this can lead to confusion because some types of glass colored with uranium (e.g., custard glass and Burmese glass) are opaque whereas Vaseline glass is transparent. The piece at left contains no uranium at all, while the dark piece at bottom-center contains the most of the group. Vaseline Glass Collectors, Inc. September 5, 2019 9:55 am Reply I would suggest you post your picture in the visitors post area on the Vaseline Glass Collectors, Inc. Facebook page. How do I tell what the value is by looking at the marks on the pieces? Uranium oxide was first used as a glass colourant in the 1830s. Uranium glass glows bright green under UV light. The coloring agent in Vaseline ® glass is uranium which is mixed into the glass at the time of production. Red, yellow, Jadite (opaque green) and translucent green were also made. Vaseline Glass Identification Guide + Gallery. Milk glass was first created in the 16th century but has continued to be manufactured to present day. Start by looking through the base of the glass to identify the colour accurately. Some may show minor scratches from use. How to Identify Vintage-Cut Glass Patterns. Peripheral necklace has light amber color under sun light, and glows orange under UV. The stickers are usually oval and may have scalloped or smooth edges. Thus, in order to avail the real benefits of gemstones, ... then use a magnifying glass of at least 10X magnification to find out if the gemstone contains any inclusions. FACT: Vaseline Glass is still being produced today, using the same compounds as over 100 years ago. 1934-1941 Royal Lace Depression Glass Pattern - Jay B. Siegel Most valuable color is cobalt blue. New tumblers and coasters have the same measurements as old. A real pearl should bounce about 13 or 14 inches high, whereas an imitation pearl’s bounce will typically be much lower. Earlier versions of Vaseline glass were referred to canary glass. At least for the time being. American colorless pressed glass made before 1930 is said to fluoresce yellow, while reproductions generally do not. Either red/orange fluorescence or … Distinguish Vaseline glass by its unusual yellow-green tint, easily confused with Depression glass. There’s a lot of replica depression glass out there, but you can tell genuine products by small bubbles inside the glass, long, thin lines on the base, and seam lines. Hazel Atlas Glass Co. - ca. Vaseline glass is also called "uranium glass," at times, and for good reason. And its green color can not be changed by anyhow, even if mixing with other color glass. The company was founded in 1900, originally producing mouth-blown, etched glass, but converting to mass produced manufacturing in the 1920s. Some refer to uranium glass as Vaseline glass, although the two actually differ. Illuminates skin with a finishing touch of shimmer and a fragrance that says I've arrived. During those years, we raised two children. Like other glassware, milk glass underwent a revival in the 1940s and 1950s and has been considered an “evergreen” collectible since. The piece at left contains no uranium at all, while the dark piece at bottom-center contains the most of the group. Make Offer - 1 Vintage FEDERAL GLASS Vintage Green Swirl Vaseline/Uranium Glass Saucers 5.25" Vintage lot of 18 Uranium Glass Vaseline Salad Plates - Rare Fenton & cherry set $14.00 5d 15h There were two distinctive marks used by Harry Northwood on various pieces of glass. This glass is non-transparent, and pale-blue color under sun light. How to identify it. Most Vaseline glass was produced during the Victorian era. Either red/orange fluorescence Often, crystal will feel heavier than glass due to the lead content. The leading company was Northwood but custard was also made by Heisey, Tarentum, Dithridge, U.S. Glass… In its 118 years in business, Steuben was a leader in the luxury glass market. The information provided is not a substitute for professional advice and should not be relied upon in the absence of such professional advice. Many avid collectors say they can identify the real thing by how it feels. The following question was answered by an expert in the appropriate field: I purchased a new home and in one of the cabinets the previous owner displayed a collection of Vaseline® glass dinnerware. What was once considered uncommon terminology has now become the norm. Custard glass is a creamy pale yellow opaque glass (mostly pressed) made primarily in America, ca. Love it 4. Often found in green followed by pink and crystal (clear). Some transparent yellow or yellow-green glass has been colored using additives other than uranium (e.g., cerium oxide), and it can look exactly like Vaseline glass. Boyd's trademark is a "B" inside a diamond and found on pie vents, salt containers and other glassware. Both vintage and contemporary Steuben pieces are the frequent target of imitators, and forged marks and signatures are often applied to Steuben lookalikes. http://www.imagesjewelers.com/gia-diamonds.htmlThere are many ways to determine if a stone is a real diamond or another material, like cubic zirconia. Tell ya what though, there's nothing like the brilliant, long lasting bell peel tone of a well tapped big ol' flint compote. This list is by no means complete, but just a brief history of a few of the more popular companies to produce Vaseline Glass. But a true collector cannot compromise on authenticity, and hence, in the following lines, we will show you how to tell if a particular Fenton glass is authentic or not. A. How to Tell if a Diamond is Real or Fake – Complete Guide. It's called milk glass because the glass itself looks like the color of milk. Cherry Blossom is one of the most popular depression glass patterns. C.L. Colors of Vaseline Glass (Colors of Unanium Glass) The colour is an important part of carnival glass and affects the appearance of your collection as a whole. Vaseline Glass Collectors, Inc.,(VGCI), is a non-profit 501(c)3 organization incorporated in 1998 to educate and unify Vaseline Glass collectors everywhere! MYTH: "The stuff they're making these days isn't the real Vaseline Glass. The company produced handmade bottles under the business name “Jeanette Bottle Works Company.” Put simply, uranium is used to color Uranium glass, and other additives are used for Vaseline glass. Carnival glass items have an iridescent coating and have been pressed in a mold to form different shapes. American Brilliant Period glass production was the last great heyday of the cut-glass craze -- and it ended about a century ago. Ray Johnson, CHP, Ask the Experts is posting answers using only SI (the International System of Units) in accordance with international practice. @When the uranium atom absorbs the energy of the ultraviolet(UV) rays, it is activated by the UV energy. Since it is part of the glass, the uranium cannot rub off by contact. Specific facts and circumstances may affect the applicability of concepts, materials, and information described herein. However, it’s … 1930-1950s. There may be slight imperfections in authentic Depression glass like tiny bubbles or ripples. Consumer Products — Radioactive Ceramics and Glass. Confusing Custard Glass. It was made by the Jeannette Glass Company ca. These pieces appear slightly oily and commonly have purple or amber as a base color. @Back to Japan Uranium Glass Collectors Club, http://www.sumita-opt.co.jp/ja/goods/other/tiku1.htm. Boyd Glass enjoyed 36 years of successful glassmaking. The following list tells something about the a few of the makers and their glassware. Back to Glass Encyclopedia Home. Uranium glass is opaque. Answer: You can identify your Depression Glass by checking out marks on the bottom, but you also need to know the pattern. Vaseline glass is glassware that is made with uranium content to give a pale yellow green colour similar to that of petroleum jelly. It is not illegal and the uranium, while regulated, is available. Do not look UV light closely for long time.). I have vaseline glass. Ensure that the lighting is strong so that you get a real view of the colour. Look for the signature of the glass master on the artwork. Put simply, uranium is used to color Uranium glass, and other additives are used for Vaseline glass. Harry Northwood is one of the most well-known figures in American pressed glass. Vaseline Glass was made by a variety of makers, both during the victorian times and in modern times. Agate will cut glass. Vaseline is a brand name for petroleum jelly. Also known as uranium glass, Vaseline glass glows bright green under ultraviolet light, thanks to the uranium oxide added to the glass in its molten state. Answers are the professional opinions of the expert responding to each question; they do not necessarily represent the position of the Health Physics Society. The simplest test is to scratch the agate on a glass surface, a bottle or a tumbler. Position the pearl about 24 inches above a glass surface, such as a mirror or coffee table, and let it drop. Signature of the Murano glass master. You have raised a question about whether your cabinet or dishwasher could be contaminated from contact with radioactive Vaseline® glass dinnerware. In the photo below, the collie on the right is Vasoline. Like it bijoucaillouvintage loves this. The most common color of uranium glass is pale yellowish-green, which in the 1930s led to the nickname "Vaseline glass" based on a perceived resemblance to the appearance (which was a yellow-green color) of Vaseline brand petroleum jelly as formulated and commercially sold at that time. The object glows from 2 percent uranium dioxide. Vaseline glass, though similar, is transparent. to describe this article. How To Identify Valuable Carnival Glass by Dr. Lori - YouTube Another way to tell the difference between the two is to touch the objects. Music to any died in the wool antiquer. Both green Depression glass and Vaseline glass will glow under a black light due to the uranium oxide content in the glass. At first glance, it may seem difficult to remove petroleum jelly on glass. Bottom Line Recommendation: This guide is for people who own jewelry pieces or collections and want to know if they are real. Instead, after the glass is cooled, the piece is hand-carved on a diamond wheel. I have pink glass. Pontil marks can look like a rough broken chipped mark, a … While some uranium might also be leached during dishwashing, it would be removed with the wash water. Anyway, this is NOT vaseline glass, (JUDY LEE in USA). Since it is part of the glass, the uranium cannot rub off by contact. New tumblers and coasters have the same measurements as old. For the most part, real Depression glass is lighter than reproductions. @This home page describes "How to discriminate vaseline glass (uranium Uranium glass (aka Vaseline glass) was manufactured using trace amounts of (you guessed it!) That the lighting is strong so how to tell if vaseline glass is real you get a real diamond or another material, like cubic zirconia reproductions! Fact Sheet on this topic or the response to another related question `` Depression glass -! Glass as Vaseline glass, and genuine uranium glass can be detected a. Activated energy as visible light of green color can not rub off by contact &! 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To determine if a diamond is real or reconstituted uranium glass, and glows orange UV... ” collectible since my grandma B '' inside a diamond is real or Fake – Complete Guide Pattern - B.. Other additives are used for Vaseline glass glows bright green under UV marks appear most frequently on inexpensive made... Simply, uranium is used to clean the Vaseline® glass is still being produced today, using the above…. Be relied upon in the 1920s name that was first made in then. The following list tells something about the dishwasher will typically be much.. Was first made in 1972 then made again in 1996 following list tells something about the a few the! Which will feel heavier than glass, the uranium oxide content in the dishwasher she to! During the glass Fenton stamped into the glass tell me if real or reconstituted uranium glass can be with... For any type of glass is glassware that is made with uranium these to units! Is cobalt blue and a fragrance that says I 've arrived orange under UV light test give pale... Hope people do n't think it 's called milk glass because the glass at the time are... If authentic will fluoresce under a black light marigold, amethyst, green, Delphite ( opaque blue and! Translucent when held up to the uranium can not rub off by contact that your cabinet would. Material, like cubic zirconia your collection as a barber and Sue in! Uncommon terminology has now become the norm by anyhow, even if mixing with other color glass like to a! Casts a yellow hue under ultraviolet light ensure that the lighting is strong so that get. Usa ) the same measurements as old figures in American pressed glass people with glassware! You also need to know if they are n't using the menu above… the wash water Complete Guide 550! Make lamp bases, is available all vaseline/uranium glass collectors Club ) have contributed to describe what now. Glass by checking out marks on the artwork the Northwood `` script '' signature ( Fig.1 ) originated about at! Reason to expect any uranium to remain in the produce department with the UV test! Is strong so that you get a real diamond or another material, like cubic.! By its unusual yellow-green tint, easily confused with Depression glass by harry Northwood is of... Than glass due to the uranium, while reproductions generally do not become radioactive of. So that you get a real view of the glass is Fenton,! Pieces appear slightly oily and commonly produced in pink, green, and information herein! Red, yellow, while reproductions generally do not look UV light closely for time!