Turquoise colors can range from opaque to semi-translucent, with a waxy to dull luster. to make jewelry. Dye can be used to color the turquoise or to color the polymer binding material. Turquoise tones, which are determined by iron and copper content in the stone, span from China blue to deep blue, and from blue-green to yellowy green, with “Persian Blue” being the … In the center row: a small sky-blue turquoise cabochon from the Kingman Mines in Arizona; and, two small round sky-blue cabochons from the Sleeping Beauty Mine of Arizona. In many cultures of the Old and New Worlds, this gemstone has been esteemed for thousands of years as a holy stone, a bringer of good fortune or a talisman. Natural Untreated Turquoise is the name for turquoise that is fashioned into cabochons, beads or other items and used to manufacture jewelry without any type of treatment. Meanwhile, it has been discovered that turquoise can change color. 4H2O] that is extensively used as a gemstone. The turquoise group consists of five triclinic minerals. rock units where the turquoise is formed. Stabilized turquoise can be cut into beautiful beads and cabochons. Very few minerals have a color that is so well known, so characteristic, and so impressive that the name of the mineral becomes so commonly used. 4H2O. Waxy to subvitreous. It is rare and valuable in finer grades and has been prized as a gem and ornamental stone for thousands of years owing to its unique hue. Turquoise is an equities trading platform ( Multilateral trading facility or MTF), created by nine major investment banks in 2008. It is the most highly desirable type of turquoise, especially when it has an attractive color. Turquoise is a gemstone for the heart chakra, throat chakra and third eye chakra. The earliest record of turquoise being used in jewelry or in ornaments is from Egypt. About 4000 years ago, miners in Persia produced a blue variety of turquoise with turquoise - a blue to grey green mineral consisting of copper aluminum phosphate; "blue turquoise is valued as a gemstone" In North America the earliest known use of turquoise was in the Chaco Canyon area of New Mexico, where the gem was used Light turquoise is a lighter tone of turquoise. Dyed stones have damaged the market for genuine turquoise. the walls of subsurface fractures. The blue turquoise forms when there is a higher concentration of copper, which is the case with most Arizona turquoises. If your Turquoise is dyed this test may damage the stone. They are also valuable information for the care of turquoise jewelry. mining operation, it will be mined. Tumbled rough Turquoise gemstones may also be stranded into rings and necklaces. They can be dyed a turquoise blue color that makes them look very similar to natural turquoise. Because they are so similar and have ranges of composition, these minerals are often misidentified. nice blue color is caused by small amounts of iron substituting for aluminum in the turquoise structure. Turquoise blue is a color close to turquoise on the color wheel, but slightly more bluish. distributed through the stone that it cannot be avoided. It is the most common type of turquoise in today's gem and jewelry market. the turquoise. The design is an inlay work made of slate, coral, shell, and turquoise. As a result, some material sold as turquoise is actually another mineral member of the turquoise group. Dull or chalky when weathered. Dye has been added to give them a bright color, and materials have been added to give the "matrix" a metallic flash. When the But turquoise has been mined in many places throughout the world, and clear blue Persian turquoise is thought by many to be among the finest examples of the gem. Inexpensive mineral collections are available in the Geology.com Store. The best way to learn about minerals is to study with a collection of small specimens that you can handle, examine, and observe their properties. Turquoise is frequently cut and polished into cabochons, and can be used as large pendant stones and in rings. Several minerals are found where turquoise is expected, look similar to turquoise, are misidentified as turquoise, and often enter the gem and jewelry market labeled as turquoise. The rough, the stones cut from it, and jewelry made from it are special and held in highest regard by many people. At the same time, some vendors are glad to sell these materials and jewelry made from them because they often have an attractive appearance and a low price. Weathering can significantly alter the physical properties of turquoise. This is the case with most Nevada turquoise. This spread The aim was to provide dealing services at a 50% discount to traditional exchanges. The material is used to make cabochons, beads, Turquoise is available in a wide range of sizes. Turquoise has withstood the vicissitudes of fashion as well as the passage of millennia. Turquoise is a bright blue to blue-green mineral that has been used to produce gemstones and small sculptures for over 6000 years. Important properties are summarized in the accompanying table. Howlite and magnesite are light gray to white minerals that often have markings that resemble the spider webbing seen in some turquoise. These early Native American jewelry designs were simple, and the turquoise Turquoise specimens are often polished or sliced for collectors, and may even be dyed. The word turquoise comes from the French for "Turkish", as the gem was originally imported from Turkey. The physical properties of turquoise are valuable for its identification. These two beautiful shades can often lead to confusion as it is difficult to identify the difference between teal and turquoise. Turquoise is found in only a few places on earth: dry and barren regions where acidic, copper-rich groundwater seeps downward and reacts with minerals that contain phosphorus and aluminum. In the bottom row: two small cabochons with black matrix from unknown mines in Nevada; a teardrop-shaped cabochon with slightly greenish blue turquoise in black matrix from the Newlanders Mine in Nevada; and, a rectangular cabochon of slightly greenish blue turquoise in reddish brown matrix from the #8 Mine in Nevada. Persia (Iran) introduced Medieval Europe to this stone. North American turquoise across the southwest and into South America. These minerals are very similar in chemical composition, crystal structure, physical properties and often in appearance. Rough turquoise and turquoise objects were held in high regard by Native Americans and were traded widely. It is a hybrid system that allows trading both on and off traditional exchanges. When this Instead it is usually an aggregate of microcrystals. Turquoise is a bluish green color. They have been purchased with the thought that they were turquoise by many people and The mining could be done by copper company employees, but the job often goes to outside This luster falls short of being "vitreous" or "glassy." The matrix can form a "spider web," "patchy" design, or other pattern within the stone. These treatments make the turquoise stable enough for cutting, durable enough for jewelry, or improve its color and marketability. Turquoise and argillite inlay pieces: A collection of Ancestral Puebloan (Anasazi) turquoise and orange argillite inlay pieces from Chaco Canyon National Historical Park in New Mexico. a green tint to the turquoise in proportion to its abundance. Only three other minerals - gold, silver, and copper - have a color that is used more often in common language than turquoise. have produced uncertainty in the mind of many jewelry buyers. Using a geographic name with a gem material should only be done when the material was mined in that locality. small sculptures, and many other items. people when they first entered the marketplace and still are mistaken for genuine turquoise by unfamiliar buyers. These pieces date from about 1020-1140 CE and show the typical materials used in the ancient Chacoan bead and inlay industry. See more. Blue minerals are rare, and that is why turquoise captures attention in the gemstone market. The blocks are then sawn into small pieces that are used to cut cabochons, beads and other items. Howlite and magnesite can easily be separated from turquoise using a refractometer. turquoise definition: 1. a bluish-green semi-precious stone that is often used in jewellery 2. a bluish-green colour 3…. Mines in India produce green turquoise, and Chinese mines are currently selling a great deal of turquoise in varying colors to the jewelry industry—be aware that much of this turquoise has been dyed or manipulated in another way. As early as 3,000 BCE, the Ancient Egyptians mined and worked turquoise into jewelry and ceremonial objects. The name comes from the French word for Turkish.. over 2000 years ago. Turquoise beads: A collection of Ancestral Puebloan (Anasazi) turquoise beads from Chaco Canyon National Historical Park in New Mexico. It occurs rarely in crystal form, but is usually cryptocrystalline. Synthetic turquoise and turquoise simulants have been produced in Russia and China since the 1970s. Turquoise is an 11th anniversary gemstone. Turquoise is usually impregnated with acrylic polymer or epoxy resin for stabilization in addition to the dyeing process to change its color. It is anti-inflammatory and detoxifying, reducing excess acidity and benefiting gout, rheumatism, and the stomach. The best quality turquoise forms near the surface where the weathering, oxidation and pressure conditions are optimal. When turquoise is encountered, the quantity and quality of the material is assessed, This is the first time we have encountered turquoise that was dyed and impregnated with three components. state. turquoise rough is currently produced in the southwestern United States, China, Chile, Egypt, Iran, and Mexico. Demand for turquoise jewelry is always highest in the southwestern Many cutters try to produce stones that exclude the matrix, but sometimes it is so uniformly or finely For any size, the quality and evenness of the color is the overriding value factor. Turquoise is the colour of the gem turquoise.It is a slightly greenish shade of cyan.Turquoise is sometimes described as a mixture of pale blue and green. It is widely accepted because the supply of natural turquoise is much smaller than the demand from people who want it. There are many different glass, plastic, and ceramic materials with an appearance similar to turquoise. H 2 O+Cu, used as a gem. within the material. This gave the gem a small boost in popularity which continues to the present. Turquoise is indeed one of the most classic gemstone types frequently used in gemstone rings, though it is rather soft. Weathered turquoise is often crushed and used to make "composite" or "reconstituted" turquoise described in the "Natural Turquoise and Turquoise Treatments" section below. It was produced in a sky blue color, sometimes with a gray spider webbing. There, turquoise has been found As a gift, it symbolizes well-wishes, good health and hopes for future prosperity. Ancient artists produced beads, pendants, inlay work, and small sculptures. Most of the turquoise mined in the United States is a byproduct of copper production. You are most likely to find it for sale in stores that specialize in fine turquoise jewelry, those that sell high-quality one-of-a-kind items, or those that specialize in natural, untreated gems. turquoise meaning, definition, what is turquoise: a valuable greenish-blue stone or a jewe...: Learn more. All of these other minerals are different as shown in the accompanying table. Healing properties of Turquoise. This gives it a natural, earthy look that invites the eyes to make a spiritual connection with … This material was very popular and traded through Asia and into Europe. Composite and reconstituted turquoise are the most commonly dyed materials. The iron imparts A small amount of synthetic turquoise was produced by the Gilson Company in the 1980s, and some of their material was used The result of this sedimentary process is a porous, semitranslucent to opaque compound of hydrated copper and aluminum phosphate. If contact with cosmetics or potentially damaging liquid occurs, the turquoise should be washed with a soft cloth that is dampened with a very mild soap solution, followed by cleaning with a soft cloth that has been dampened with plain water. Turquoise has a refractive index of 1.61 to 1.65. These dyed stones fooled many Instead many people describe it as "waxy" or It is a secondary mineral deposited from circulating waters, and it occurs chiefly in arid environments as blue to greenish, waxy veinlets in alumina-rich, weathered, volcanic, or Turquoise is opaque and has a waxy luster; the color varies from greenish gray to sky-blue. Turquoise can also replace the rock in contact with these waters. What makes turquoise especially versatile is that it falls somewhere between green and blue. microcrystals are packed closely together, the turquoise has a lower porosity, greater durability, and polishes to a Dyed Turquoise is exactly that. Turquoise Chalk or Chalk Turquoise is not actually chalk; it is a form of low quality natural turquoise that has the consistency of common writing chalk. This December birthstone has been cherished for millennia. For example, the Sleeping Beauty Mine is known for its light blue turquoise without matrix. Turquoise is a porous material and easily accepts dye. Turquoise is a blue/green color, based on the gem of the same name. These pieces date from about 1050-1100 CE and show the typical materials used in the ancient Chacoan bead and inlay industry. At right is displayed the color bright turquoise. This work evolved into the turquoise In the late 1800s, Native American artists began using coin silver to make jewelry. Some turquoise contains inclusions of its host rock (known as matrix) that appear as black or brown spider-webbing or patches Notice that the members of the turquoise group have very similar chemical compositions. Turquoise definition is - a mineral that is a blue, bluish-green, or greenish-gray hydrous basic phosphate of copper and aluminum, takes a high polish, and is valued as a gem when sky blue. A typical sample is shown for each name; a range of color-variations is commonly associated with each color-name. Most of the turquoise production in the United States has been located in the arid southwest, and most of that production has Natural Turquoise and Turquoise Treatments. Turquoise is often porous, with the ability to absorb liquids. If lightly dyed, scratching the back of a cabochon with a pin will often reveal a white interior. Turquoise forms best in an arid climate, and that determines the geography of turquoise sources. The turquoise gemstone is a stone that represents self-realization and is an aid in analytical thinking as well as creative energy. Composite Turquoise: These earrings are made with composite turquoise. For more information on the power of Turquoise colored crystals read The Seven Secrets of Crystal Talismans. Synthetic Turquoise Cabochons: Cabochons made from synthetic turquoise produced in Russia. Weathered turquoise might still have a desirable color, but its hardness and durability are reduced. "subvitreous.". water is later evaporated, the copper combines with aluminum and phosphorus to deposit tiny amounts of turquoise on Significant amounts of turquoise have been produced in California, Colorado, Utah, Texas, and Arkansas. Sometimes black or brown dye is used to alter the color of matrix material to make it more obvious and uniform. Chalk turquoise is the most abundant type of turquoise found in the earth. The Morenci Mine produces a lot of dark blue turquoise with pyrite in the matrix. The name turquoise is taken from the blue-green mineral of the same name that is rare in its finest grades such that it is prized as a gemstone. and, only if warranted, will a temporary effort be made to recover the gem material. was not set in metal findings. that began in the 1970s and declined in the 1980s. Once absorbed, these liquids can damage the turquoise or alter its color. Our investigation reinforces the need to … To offset turquoise’s stunning color, wear it with white, … In the United States there was a surge in turquoise demand These liquids can include perspiration, body oil, cleaning products, or any liquid that accidentally comes in contact. Learn more. People who know turquoise can often, but not always, correctly associate a stone with a specific mine. A yellow, white, brown or green color should be an immediate clue that these might not be turquoise. It can be produced with a mix of pale blue and bright green. Turquoise is said to clear thoughts, open the heart and enhance spirituality. In these areas, rainfall infiltrates downward through soil and rock, dissolving small amounts of copper. This causes some people to avoid turquoise jewelry. Both countries are prolific producers. Turquoise is rarely found in well-formed crystals. Although the gem is frequently used in rings, bracelets, and belt buckles, these uses place the gem at risk for abrasion and impact. Even if the gem is protected by a bezel, turquoise jewelry should be worn with care and respect. The disk was found in the throne seat of Chac Mool at Chichen Itza, and today it is in the collection of the Quai Branly Museum, Paris, France. in royal burials over 6000 years old. When the replacement is less complete, the host rock will appear as a "matrix" within Stabilized Turquoise is the name used for turquoise that has been impregnated with a polymer or other binding material to make it durable enough for cutting and use in jewelry. It was a ceramic product Popular in the 16th century to adorn places of worship in Turkey, it was eventually traded in Turkish bazaars … Turquoise is weighed in carats, and five carats equal one gram. Be cautious if you see turquoise with a wonderfully blue and very uniform color. They have different refractive indexes. Arizona, New Mexico, and The demand for turquoise and turquoise jewelry rises and falls over time. with a composition similar to natural turquoise. Turquoise cabochons: A diverse collection of turquoise cabochons from various locations. Turquoise has played an important role in many arid-land cultures since only a few thousand years after the last Ice Age 10,000 years ago. Public domain image from the National Park Service. The Disk of Chichen Itza is a Mayan artwork, made about 1000 years ago, in what is today the Yucatan State of Mexico. A photo on this page shows some synthetic turquoise cabochons made in Russia. Perfect, but rarely seen because of the small grain size of most specimens, 5 to 6 (often lower because of porosity or exposure to weathering), 2.5 to 2.9 (variable because of porosity and other minerals included as matrix), Gemstone, small sculptures, decorative stone. Composite or Reconstituted Turquoise is made from small pieces of turquoise that are mixed with a polymer and cast into block-shaped pieces. Public domain image from the National Park Service. Much of the turquoise from the Kingman Mine is bright blue with a spider web of black matrix. Turquoise is a semi-translucent to opaque gem that ranges from blue to green and often has veins of matrix (remnants of the rock in which it formed) running through it. Turquoise Color. At right is displayed the web color dark turquoise. The photograph is a public domain image by Jebulon. Its only important use is in the manufacture of jewelry and ornamental objects. If the piece is heavily dyed, scratching deeper or breaking an edge might be required to determine if the piece has been dyed. Image by Silverborders, used here under a Creative Commons license. Most of the world's Many of these can of turquoise is a sky blue or robin's-egg blue. Then, after the turquoise is dry, store it in a jewelry box away from bright light or heat. Only a small amount of turquoise that is mined today can be used to cut finished stones or make jewelry without some type of treatment. The large open-pit copper mines excavate down through the shallow been in or around deposits of copper. People who practise holistic medicine say that turquoise has a calming effect on patients. "Turquoise:turquoise mineral information and data", http://rruff.geo.arizona.edu/doclib/hom/turquoise.pdf. After blue, bluish green stones are preferred, with green and yellowish green material being less desirable. 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