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They may have name recognition, but iolite has a rich, unique color and great gem value on its side. Iolite is a blue pleochroic gem that has an appearance similar to sapphire and tanzanite. Tanzanite color is less saturated in smaller sizes. Synthetics. Dec 21, 2019 - Explore Nola681985's board "Alexandrite/Tanzanite/Kunzite/Iolite", followed by 651 people on Pinterest. Tanzanite is one of the newest gems on the market and was discovered only in 1967 in Tanzania. Read Article. Tanzanite Quality Factors: The Comprehensive Guide. Explore iolite history, research, quality factors, and more in the GIA Gem Encyclopedia. Iolite is occasionally wrongly labelled as Tanzanite – however, Tanzanite is a softer stone. for one, the specific gravity of tanzanite (3.15 to 3.38) is much more than that of iolite (2.57 to 2.61) meaning that the heft of a stone purported to be tanzanite will be considerably more than that of iolite. Shop decadent designs from around the globe with ShopHQ's unique selection of Tanzanite Iolite Jewelry. Sapphire is corundum, with a hardness of 9 on the Mohs scale.It occurs in blue, but also in yellow, pink, purple, orange, black, colorless and green. All rights reserved. Gemstone Charts! Schau dir unsere Auswahl an tanzanite and iolite an, um die tollsten einzigartigen oder spezialgefertigten, handgemachten Stücke aus unseren Shops zu finden. $97.74. Fine iolite comes by its beautiful blues and violets naturally. Iolite’s color range of blue, blue-violet, and violet competes for public attention with sapphire, tanzanite, and amethyst. GIA is a nonprofit 501(c)(3) organization. 3 Ct Oval Cut Blue Tanzanite Omega Back Halo Stud Earrings 14K White Gold Finish. Sapphire vs Diamond Tanzanite: December’s Stunning Birthstone. This colour, derived from iron, is naturally occurring and cannot be enhanced by man unlike some other blue hued rivals where treatments are often essential to alter colour and clarity to a more desirable and saleable level. About Tanzanite Why Buy Tanzanite Gemstones? Iolite is biaxial with a negative optic sign. Natural unheated tanzanite is very rare. Tanzanite is a variety of zoisite, which is a member of the epidote group.Colors include blue, purple and green. Sapphire is made of the mineral corundum and is found in only a few regions in the world, with some of the most famous sapphire mining locations being Sri Lanka, Burma and Kashmir. Tanzanite, however, has become desired on its own for its dramatic rich bluish-violet color. Free shipping . Iolite and tanzanite can look quite a bit alike. Free shipping . It has been associated with the upper echelons of society, including Royals and the clergy. See this gemstone here.Sapphire is a very popular gemstone that has been valued and used in jewelry for centuries. © 2002 - document.write(new Date().getFullYear()); Gemological Institute of America Inc. GIA is a nonprofit 501(c)(3) organization. The β ray is almost halfway between α and γ so precise readings should be taken. Frequently Asked Questions (FAQ) / Difference Sapphire - Tanzanite: What is the difference between sapphire and tanzanite? Iolite is a very inexpensive gem with a rather small market demand (most people probably don’t know what it is); it’s has a lighter and less vivid violet color which shifts to almost colorless when viewed from the side. There are also other differences between tanzanite and Iolite. Share Tweet. Iolite’s name comes from its violet color. Unlike sapphire and tanzanite, iolite in the gem market is not known to receive heat, irradiation, or other treatments to improve its color. Some experts believe that jewelry designers and retailers don’t see a consistent enough supply of fine-quality iolite to feel confident about ordering a large selection for use in jewelry lines. Although the mineral has a history that dates back hundreds of years, the actual gemstone 'iolite' is considered to be relatively new and lesser-known. Refractometer. Gem quality blue sapphire is quite rare.A stunning tanzanite set in a diamond halo ring. Do I olite stones have Inclusions? Tanzanite is a relative newcomer to the jewelry scene, having been around only since the 1960s. Inexperienced people in the field might not notice this material. View Post. The chart assumes good cutting and proportions and VVS clarity. First if the color is Sapphire Blue then it is Blue Sapphire, or if its violet-like blue then it is Tanzanite and if it is a light-blue with grey and colorless at some point, then it is Iolite. All rights reserved. Due to its similarity in appearance to sapphires, Tanzanite is getting plenty of attention from jewellers as a "rising star" among colored gems. Among the most popular gems in the market, sapphire and tanzanite could not be more different. Jewelry Education: What to Know Before Buying Jewelry; Pearl Jewelry Buying Guide & Gift Ideas; 3 Reasons Why Pearl Strands Are A Must-Have. Alleviates migraines. Actually called, cordierite. Explore sources, gemological research, and the role of gems in history. Titanium-Coated Tanzanite. It was first brought to public attention by Tiffany & Co. and was originally prized for its similarity to high-end Ceylon sapphires but at a much lower cost. Fine iolite can display a deep blue-violet through to a pale blue-violet colour with some more vivid stones challenging the likes of tanzanite. Alleviates migraines. The first significant and exciting discovery of large transparent, gem-quality deposits of iolite was made in 1996 in Palmer Creek, Wyoming (USA) by t… A Set of Tanzanite, Sapphire or Iolite on White Background. Iolite is found all over the globe, but it’s not as widely recognized as tanzanite. Explore the world of diamonds and colored gemstones. Gem quality a sapphire blue in color to a bluish violet color to yellow gray in color depending on refraction of light It is found in Burma and Sri Lanka. Iolite is a transparent gem-quality form of cordierite, a magnesium iron aluminum cyclosilicate mineral. If we compare based on hardness then it is harder then Tanzanite and softer than Sapphire. It derives it's name from the Greek work 'ios' which means violet. Browse Custom Iolite Pave Gemstone Jewelry from Gemvara. Natural Iolite may resembled better-known stones such as tanzanite or sapphire, however it is a more affordable gem complemented with the rich blues that are prevalent to the more expensive stones. $162.04. Iolite: This gemstone is called the gemstone of the Vikings, Iolite is also very often mistaken for Tanzanite. Iolite is a mineral sometimes used as a gemstone. Free shipping on many items. $172.38. You May Also Like. All rights reserved. Cordierite was officially named after the French geologist, Pierre Louis Antoine Cordier (1777-1861) in 1813. Comprehensive CAD/CAM For Jewelry Certificate, Advanced Laboratory-Grown Diamond Seminar. Gems must be above five carats in size to have fine color. GIA is a nonprofit 501(c)(3) organization. The only way to identify the correct stone is the hue. By closing this banner or using this site you agree to our revised Privacy Notice, Terms of Service and Cookie Policy. Note that the colors are brownish and unlike the vivid blues that are seen in finished jewelry. In the hands of a skilled cutter, iolite’s beauty can be revealed. Free shipping . Made to order just for you. Blue sapphire. © 2002 - document.write(new Date().getFullYear()); Gemological Institute of America Inc. GIA is a nonprofit 501(c)(3) organization. Iolite aids the pituitary, sinuses and respiratory system. Iolite is found all over the globe, but it’s not as widely recognized as tanzanite. $99.99 . Duncan Pay , Apr 30, 2014 Read Article. However, the tanzanite is more intensely colored for the Iolite, which makes it possible to distinguish the two stones with the naked eye. Some experts believe that jewelry designers and retailers don’t see a consistent enough supply of fine-quality iolite to feel confident about ordering a large selection for use in jewelry lines. I understand iolite cleaves. Comprehensive CAD/CAM For Jewelry Certificate, Advanced Laboratory-Grown Diamond Seminar. However, iolite is usually less strongly colored, its pleochroic colors vary from blue-violet to yellowish gray to blue and it has less fire. Iolite is a blue-violet gemstone variety of the mineral cordierite, has strong pleochroism and can be confused with tanzanite. The refractive index too shows a marked difference Tanzanite- 1.69 to 1.70) as compared to iolite1.54 to 1.60). It is more subtlety nuanced than amethyst and deeper than many tanzanites. Heat-treated tanzanite: Tanzanite after heat treatment at 600 degrees centigrade. Since the tanzanite gemstone has this pleochroism, it can easily be confused with the two gems. It can serve as an alternative stone to either of these gems and is much lower in price. This lovely gem has been a worldwide success, and demand continues to exceed supply. Browse new & pre-owned jewelry. 3.08 Ct Oval Checkerboard Red Garnet White Topaz 14K White Gold Earrings. Tanzanite before heating: Tanzanite in the rough state, before heat treatment. By closing this banner or using this site you agree to our revised Privacy Notice, Terms of Service and Cookie Policy. Iolite is much more affordable, and can be a great substitute if you are looking for a gemstone that has a blue similar to Tanzanite’s beautiful blue but on a budget. $114.99. On the Mohs hardness scale about 7 to 7.5 . Unlike tanzanite, iolite is rarely treated. The Iolite is sometimes referred to as “water sapphire”, because in terms of color it is very similar to sapphire (safir = spelling). Posted on November 18, 2020 November 18, 2020; by K. Roy; Pearls have always been the highlight of a woman’s jewelry box. Research. Image courtesy of Lapigems Gem Company. 100% Satisfaction Guaranteed, 101-Day Returns & Free Shipping! Check out our iolite and tanzanite selection for the very best in unique or custom, handmade pieces from our shops. Before we get into explanations and reasons for the above issues, let us look at some technical information regarding the Iolite gem stone. Market Value Charts by Gemval - choose Iolite from the list of gemstones. Natural-Color Tanzanite and Yellow Sapphire – Tucson 2014 . If you feel you have benefited in any way by the Gemstone & Crystal Healing Properties on this website, please consider making a donation, or investment, into keeping that information alive for your future use and for the use of others. Is it tough enough for rings. You can use SG on rough stones as well as cut so could be useful in this situation. Blue Iolite Blue Tanzanite 1.40 Ct Heart Shape 14K Yellow Gold Earrings. Shop Tanzanite Sterling Silver Iolite Fine Jewelry at eBay.com to find beautiful pieces at great prices. Tanzanite should be quite a bit heavier than Iolite - I think the relevant values are 3.15 to 3.38 for tanzanite compared to 2.57 to 2.61 for iolite so should be pretty easy to tell apart if you can rig up your scales. All rights reserved. Know about the value of Iolite in the USA market. CHART SHOWING TANZANITE PER CARAT PRICES IN 2020 . CARAT WEIGHT: Investment Grade Finest 1% Mined: AAA Grade: AA Grade: A Grade: B Grade: 0.00 - 1.99 carats: $600 - $700: $425-$480: $300: $200: $100: 2.00 - 2.99 carats: $750 - $1350: $500 - $550: $325: $250: $150: 3.00 to 9.99 carats: $780 - $1380: $550 - $575: $350 : $275: … Firstly, whilst Tanzanite has never been successfully synthesized (a synthetic is a lab created, manmade version of the natural which has the same chemical and physical properties as a natural), a synthetic Forsterite has been produced in the last decade in Russia which produces an imitation which closely resembles Tanzanite, although only the lower/medium grades of Tanzanite. $120.00. Its freedom from enhancement other than normal cutting and polishing is a selling point when customers consider that most blue gems, from inexpensive blue topaz to fine sapphire, receive routine treatment of one type or another. Tanzanite and Sapphire quite resembles Iolite. 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