Jade Education

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FAQs for Fire-King Collectors

Jadeite is a silicate containing sodium and aluminum. Jadeite occurs in a very wide range of colors, translucencies and textures. In jewelry, jadeite is the more valuable of the two varieties of jade.

Phengites from two jadeite schists were dated by Ar/Ar laser probe; they give an age of ± Ma, interpreted as the age of metamorphism. Blueschists and.

Avid readers of the CAP blog might remember our excitement last year when we discovered a piece of yellow-green vaseline glass in the Gunson assemblage. The glass glowed bright green under black light, indicating it contained uranium. Before we continue we should probably address the radioactive elephant in the room: why would people put uranium in stuff we eat and drink from? It might sound strange, but uranium was once a common colorant added to glass and ceramic glazes.

Uranium glass was particularly popular in the early 20 th century, when large quantities of uranium salts were being produced as byproducts of the radium extraction industry 1. The addition of yellow uranium oxide during the initial glass melting process produces colors ranging from yellow to green, though other hues including pink, blue, and white can be obtained by adding other colorants to the mix 2. Glass colored with uranium salts is easily identified because uranium fluoresces bright green under ultraviolet light 3.

Luckily, since these items emit only negligibly tiny amounts of radiation, they are safe to handle, eat and drink from 3. From to civilian use of uranium was heavily regulated, so glassmakers had to find different ways of achieving similar colors 3. Or is it Jadite? All of these terms refer to the opaque, milky green colored glass originally manufactured by one of three glass companies: McKee, Jeanette, and Anchor Hocking 4.

Neolithic Axe

Jadeite , also known as Fire King Jade-ite , is a type of glass tableware made of Jade-green opaque milk glass , popular in the United States in the midth century. A blue variety called “Azur-ite” was also produced for several years. Jade-ite and Azur-ite were both produced by Anchor Hocking. It is not to be confused with jadite , a green jade shade of vaseline glass product made in the early 20th century. Most of Anchor Hocking’s output of Jadeite was between and The glassware’s popularity also makes it an affordable and popular collectable today.

Jadeite, also known as Fire King Jade-ite, is a type of glass tableware made of Jade-green opaque milk glass, popular in the United States in the midth.

Chinese works of art specialist Vicki Paloympis offers tips on how to start a collection. Spanning millennia, the material comes in many colours and has been shaped into many forms. A finely carved white jade archaistic rhyton, China, Qing Dynasty, 17thth century. Neolithic jades, which date from about to B. These objects are interesting from an archaeological perspective, because the ritual functions of many are unknown and no documentation exists.

In contrast, Ming dynasty jades are often carved from different coloured stones and exhibit a soft high polish, while Qing dynasty examples, which some people argue are the highest-quality carvings, are often found in white, translucent stones. A white jade gu-form vase, China, Qing Dynasty, 19th century. Once you have accustomed your eye to the proportions and silhouettes of Chinese forms, this will inform your entire collecting experience.

VIBRANT Natural Chinese Apple Green Jadeite Hand-Carved Bracelet, 53.97 Grams, c.1925!

Myanmar jadeite jadeitite is well known for its economical value and distinctive tectonic locality within the collisional belt between India and Eurasian plates. However, it is less studied for its genesis and geodynamic implications due to precipitous topography, adverse weather and local military conflicts in the area.

CL imaging suggests that the zircons are metasomatic in origin, and contain mineral inclusions of jadeite and omphacite. The Myanmar zircons differ from other types in that they have no significant Eu anomalies despite high HREE concentrations. These results indicate that the Myanmar jadeite was formed in the Late Jurassic, probably by interaction of fluid released from subducted oceanic slab with mantle wedge.

40Ar/39Ar laser stepwise heating dating of jadeite from the jadeitite yielded a plateau age of ± Ma, the sodic–calcic amphibole associated with jadeite.

Dating to c. This jadeite has been tested. The beauty here is not just in the quality of the jadeite, but in the meticulous hand-carving that covers every surface of this special estate bangle! As most collectors know, jadeite is one of the densest of all of the precious gemstones, so carving this bangle would have been carried out by a master!

This bangle has made it into the 21st-century in all-original condition, without damage or cracks. This bangle will fit a wrist up to 8″, but one needs a small-to-medium hand to slip the bangle over. Weighing in at a massive

The Collector’s Guide To Jadeite

This resource is part of the Museum Snapshot collection- a collection of smaller resources perfect for starters, plenaries or spare moments to explore something fascinating. This is an axe dating to the Neolithic period. It is made from a type of hard stone called jadeite. It is thought that Neolithic peoples considered certain stones sourced from difficult to reach places, such as high up mountains, to have special supernatural powers.

Examines the sources, color, texture, and chemical composition of jadeite from Japanese deposits.

Jadeite, Jadite, or Jade-ite? First created in the s, jadeite is used for all types of things, but most commonly dishware and kitchenware. It first became popular in the Victorian era, then fell out of style for a time until World War II when glass companies found it could be stylish, plus affordable, to make. Turns out they were right. To purists, vintage jadeite is generally American-made from one of three major companies: McKee, Jeannette, and Anchor Hocking.

Some discerning collectors only collect pieces from one of these three primary companies. While kitchenware is most common, jadeite is also used in lamps, furniture, jewelry, hardware, and more. Besides its gorgeous green hue, what made jadeite popular during the mid-century as well as now is its durability. In Pennsylvania-based glass company McKee discovered that by adding green glass scraps to their signature milk glass formula, they could create a gorgeous shade of green.

Vintage McKee range sets and canisters are favorites, as well as the Laurel and Philbe patterns. Unfortunately for newer collectors, a lot of Jeannette Jadite is unmarked, so knowing what to look for is key and only comes with studying and time.

Collectible Anchor Hocking Fire King Glass

Also see the lists of names of French , Spanish , or Vietnamese origins. Interest is based how many people viewed this name from each country and is scaled based on the total views by each country so that large countries do not always show the most interest. Darker blue on the map indicates that people in the country are more likely to search for this name.

Only up until the 18th century was Jadeite introduced, meaning any Chinese jade dating before the 18th century will very likely be nephrite. The people in China.

In , with the Great Depression at its height, consumers were on the hunt for affordable kitchen and dishwares. Pennsylvania’s McKee Glass Company added green scrap glass to its opaque formula, producing an inexpensive product with a novel color that satisfied that demand. Following suit, Jeannette Glass began producing what they coined “Jadite. Today, these prized picks are still popular with collectors. Beaded mixing bowls: The thin, rounded edge of this s four-piece group was only produced for a short time, making a complete set a rare find.

Batter bowl: This spouted number is one of the most frequently reproduced pieces of Jadeite. A telltale sign it’s an authentic s Fire-King batter bowl? The height. Vintage versions like the one shown here measure in at 4 inches, while contemporary imitations are 2 to 4 inches taller. Canisters: Dating to the s, these ounce McKee canisters—the largest the company ever made—were designed to store kitchen staples of coffee, tea, and flour.

Vintage 101: Jadeite, Dating Fire King Pieces

Please visit our Frequently Asked Questions page for more information. Please visit our Shipping Information page for details about how we send your purchases. They are both strong, colourful gemstones that have been prized by various cultures around the world for thousands of years. British Columbia is home to nephrite Jade, which we are proud to showcase and sell on our website and in our stores.

It all started in ancient China when nephrite used to be the stone commonly known as Jade. Only up until the 18th century was Jadeite introduced, meaning any Chinese jade dating before the 18th century will very likely be nephrite.

Its earliest uses date back to the Stone Age, when civilizations painstakingly Jade stones are comprised of two separate minerals: jadeite (a.

An eBay search for Fire King Glass will produce thousands of results for this popular glassware. Fire King dinnerware, bakeware, and other dishware was often given as a premium in bags of flour or given away at gas stations. It could be purchased at grocery stores, dime stores and hardware stores. This collectible glassware comes in many colors and patterns. Some lines are solid glass in opaque colors: white, ivory, turquoise, creamy pink rose-ite , light green jade-ite and pale blue azure-ite.

Other Fire King glass lines have fired-on coatings over crystal, in pastel shades of blue, green, peach, or yellow, or bright yellow, blue, orange, or green. White glass lines were often decorated with decals in natural, floral, or geometric patterns. Peach Lustre is an iridescent peach color with a mirror-like finish and was applied to different styles of Fire-King dinnerware. The mark may read Fire-King in block letters or in script, or may include an anchor logo.

The marks changed over time, and later pieces were not marked but had a removable sticker, which usually were removed by the purchaser. As fire king glass molds wore out and were replaced, the embossing was often not added to the new mold. Some older molds would still be in use as the new ones were put into production.

List of Objects

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Hong Kong, Admiralty. This auction is now finished.

under black light tells us it contains uranium and therefore that it dates prior to So what’s the deal with jadeite? Or is it Jadite? Jade-ite?

Even though Japanese jadeite lacks the transparency of the highest-quality Burmese imperial jadeite, its rarity and natural features make it a highly valued gemstone. Green jadeite from the same location had an X Jd range from 98 to The maximum CaO content in green jadeite was 5 wt. A blue jadeite from Wakasa had a range of 97 to 91 and a similarly high TiO 2 concentration.

In trace-element analysis, chondrite-normalized and primitive mantle—normalized patterns in lavender, violetish blue, and blue jadeite from Japan showed higher large-ion lithophile element contents Sr, Ba and higher field strength element contents Zr, Nb than those in green jadeite, while white and black jadeite had relatively low REE contents. The Japanese jadeites were compared to samples from Myanmar, Guatemala, and Russia.

Japan is an important source of jadeite, much of which comes from the Itoigawa and Omi regions in Niigata Prefecture. The Kotaki area upstream of the Hime River in Itoigawa-Omi was the first documented source of gem-quality jadeite and jadeite-bearing rocks in Japan Kawano, ; Ohmori, This area is located in the high-pressure, low-temperature metamorphic Renge belt within a Late Paleozoic subduction zone Shibata and Nozawa, ; Nishimura, Tsujimori suggested that blueschist to eclogite metamorphism was related to the subduction of oceanic crust.

Miyajima et al. This study introduces the historical background and sources of Japanese jadeite figure 1. In the middle of the Jomon era, pendant-like jadeite pieces called taishu were produced and traded throughout many parts of Japan.

Jadeite: the (Negligibly) Radioactive Kitchenware for the Nuclear Age

Such beautiful collections! I only have a jadeite batter bowl that was my great-grandmother’s, but I’ve often thought about collecting restaurant ware. Several of the more contemporary pieces are also quite beautiful, particularly the hobnail serving piece photographed. I know what you mean Christine.

Jadeite jade bangles, jadeite jade pendant, jadeite jade bead bracelets for all Jade is one of the oldest ornamental and tooling materials dating back as far as.

Most Fire-King pieces were marked, but some were not marked. Marks were changed over time. During these transitions more than one mark would be used. The style of anchor logo may help establish the manufacture period. Any long-running highly produced pattern will go through a number of different moulds. Moulds acquire cumulative layers of glass with each use until they are finally rendered useless and new moulds have to be made. At that time, any new management decisions about how the new pieces ought to be marked will be implemented.

Difference Between Nephrite and Jadeite