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

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. Reproduction items are produced today by various manufacturers. Fire King Jadeite is still produced in reproduction lines by Anchor Hocking, which designs variations into its reproductions so that they are not mistaken for originals, to maintain the integrity of the genuine status of original Jadeite articles. Jeannette Glassware was a United States manufacturer of green milk glass tableware similar in appearance to Jadeite Fire King.

Neolithic Axe

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With its origins dating back to the jadeite glassware began its mass production through the McKee Glass Co. in Pennsylvania.

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.

My Bonhams

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.

With its origins dating back to the jadeite glassware began its mass production through the McKee Glass Co. in Pennsylvania. Vintage DishwareVintage.

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.

The Minerals of Pre-Columbian America

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.

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.

The great pre-Columbian Native American civilizations—the Olmec, Maya, Inca, Aztec, and the gold-working cultures of Colombia—left behind as their material legacy a remarkable array of artifacts. Among them are magnificent pieces of gold work, figurines of silver and platinum, tools of copper and bronze, turquoise mosaics, jade masks, obsidian knives, bright-red pigments of cinnabar and hematite, intricate limestone and basalt carvings, and architectural monuments that still stand today.

The creative use of minerals in pre-Columbian times began with the Olmec fascination with jade. About BCE, Olmec sculptors began fashioning jade into beads, pendants, figurines, celts ax heads , and realistic and stylistic human masks. Jadeite, or sodium aluminum silicate, is a member of the pyroxene group of inosilicates. With its greater hardness, more intensive colors, and subtle translucency, jadeite is the gemologically superior form of jade.

Pure jadeite is white, but traces of various metals that replace aluminum within the crystal lattice create a range of pleasing colors, usually, but not always, some shade of green.

FAQs for Fire-King Collectors

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.

Paka’s Collection: Jadite Jade-ite Jadeite & More Jadite Pyrex Vintage, Vintage Dishes. More information Identifying Fakes and dating jadeite pieces. Antique.

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. I really should begin a more serious collection, but I’m happy with what I have. Cherish that batter bowl! I figured it was a reproduction, and I had no idea how much to expect to pay for green milk glass.

Are those considered fair prices in today’s market? The Made in China reproductions, from what I’ve read, are not well made pieces. Personally, if you want to start a jadeite collection of quality pieces, I would collect the vintage or even the reproductions produced for Martha by Mail through Fenton, L.

Chinese jade: an introduction

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.

This life-sized Mayan ceremonial mask is made of Guatemalan jadeite and dates to CE. (Steve Voynick). The Olmec passed their.

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Tag : Jadeite

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.

With its origins dating back to the s, jadeite glassware began its mass production through the McKee Glass Co. in Pennsylvania. Their.

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Lofty Guides: All About Jade

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.

Myanmar jadeite (jadeitite) is well known for its economical value and constrainted by U-Th-Pb dating of metamorphic and magmatic rocks.

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. Perhaps they thought a little bit of that supernatural power would rub off on whoever owned a Jadeite Axe.

Neolithic Jadeite axe. It is a beautiful, highly polished object and it would have taken a long time to make — days rather than hours. During the Neolithic age, axes made from stone and set into a wooden handle were a key part of humans toolkit. Use a map to find Italy. How far away is it from North Lincolnshire? Write a story about how you think an Axehead made in Italy might have got to North Lincolnshire over 5, years ago.

Jadeite from 4, BCE 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. At this time Britain was still heavily forested and humans used an axe to chop down trees and to clear the landscape for farming. However, some axes seem to have had special significance and rather than being intended for use, they instead have some ritual importance.

Chinese Antiques – Jade Necklace, Incense Burner, Scrimshaw, Han Dynasty