By closing this banner or using this site you agree to our revised Privacy Notice, Terms of Service and Cookie Policy. View Post. I understand iolite cleaves. Research. Explore the world of diamonds and colored gemstones. 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. All rights reserved. About Tanzanite Why Buy Tanzanite Gemstones? Iolite is found all over the globe, but it’s not as widely recognized as tanzanite. Iolite is occasionally wrongly labelled as Tanzanite – however, Tanzanite is a softer stone. Duncan Pay , Apr 30, 2014 Read Article. Check out our iolite and tanzanite selection for the very best in unique or custom, handmade pieces from our shops. 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. Titanium-Coated Tanzanite. Iolite: This gemstone is called the gemstone of the Vikings, Iolite is also very often mistaken for Tanzanite. $97.74. Unlike tanzanite, iolite is rarely treated. Due to its similarity in appearance to sapphires, Tanzanite is getting plenty of attention from jewellers as a "rising star" among colored gems. It has been associated with the upper echelons of society, including Royals and the clergy. Alleviates migraines. Shop Tanzanite Sterling Silver Iolite Fine Jewelry at eBay.com to find beautiful pieces at great prices. Tanzanite color is less saturated in smaller sizes. On the Mohs hardness scale about 7 to 7.5 . 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. All rights reserved. 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. Posted on November 18, 2020 November 18, 2020; by K. Roy; Pearls have always been the highlight of a woman’s jewelry box. It derives it's name from the Greek work 'ios' which means violet. Natural-Color Tanzanite and Yellow Sapphire – Tucson 2014 . Tanzanite Quality Factors: The Comprehensive Guide. Gemstone Charts! They may have name recognition, but iolite has a rich, unique color and great gem value on its side. 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. 100% Satisfaction Guaranteed, 101-Day Returns & Free Shipping! However, the tanzanite is more intensely colored for the Iolite, which makes it possible to distinguish the two stones with the naked eye. Iolite’s name comes from its violet 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. $120.00. Inexperienced people in the field might not notice this material. Iolite is biaxial with a negative optic sign. All rights reserved. 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: … Iolite is found all over the globe, but it’s not as widely recognized as tanzanite. Blue sapphire. Made to order just for you. Iolite’s color range of blue, blue-violet, and violet competes for public attention with sapphire, tanzanite, and amethyst. © 2002 - document.write(new Date().getFullYear()); Gemological Institute of America Inc. GIA is a nonprofit 501(c)(3) organization. Frequently Asked Questions (FAQ) / Difference Sapphire - Tanzanite: What is the difference between sapphire and tanzanite? Heat-treated tanzanite: Tanzanite after heat treatment at 600 degrees centigrade. © 2002 - document.write(new Date().getFullYear()); Gemological Institute of America Inc. GIA is a nonprofit 501(c)(3) organization. Before we get into explanations and reasons for the above issues, let us look at some technical information regarding the Iolite gem stone. Free shipping . 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. Tanzanite and Sapphire quite resembles Iolite. Refractometer. It is more subtlety nuanced than amethyst and deeper than many tanzanites. Iolite and tanzanite can look quite a bit alike. 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. Market Value Charts by Gemval - choose Iolite from the list of gemstones. Iolite is a blue-violet gemstone variety of the mineral cordierite, has strong pleochroism and can be confused with tanzanite. Actually called, cordierite. Gem quality blue sapphire is quite rare.A stunning tanzanite set in a diamond halo ring. Shop decadent designs from around the globe with ShopHQ's unique selection of Tanzanite Iolite Jewelry. $162.04. Iolite is a mineral sometimes used as a gemstone. 3 Ct Oval Cut Blue Tanzanite Omega Back Halo Stud Earrings 14K White Gold Finish. 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. Free shipping . However, iolite is usually less strongly colored, its pleochroic colors vary from blue-violet to yellowish gray to blue and it has less fire. Natural unheated tanzanite is very rare. Browse new & pre-owned jewelry. 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. Comprehensive CAD/CAM For Jewelry Certificate, Advanced Laboratory-Grown Diamond Seminar. 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. This lovely gem has been a worldwide success, and demand continues to exceed supply. $172.38. Free shipping on many items. Gems must be above five carats in size to have fine color. Iolite aids the pituitary, sinuses and respiratory system. Schau dir unsere Auswahl an tanzanite and iolite an, um die tollsten einzigartigen oder spezialgefertigten, handgemachten Stücke aus unseren Shops zu finden. Iolite is a blue pleochroic gem that has an appearance similar to sapphire and tanzanite. Explore iolite history, research, quality factors, and more in the GIA Gem Encyclopedia. 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. Unlike sapphire and tanzanite, iolite in the gem market is not known to receive heat, irradiation, or other treatments to improve its color. Share Tweet. 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. The chart assumes good cutting and proportions and VVS clarity. 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. 3.08 Ct Oval Checkerboard Red Garnet White Topaz 14K White Gold Earrings. Free shipping . Jewelry Education: What to Know Before Buying Jewelry; Pearl Jewelry Buying Guide & Gift Ideas; 3 Reasons Why Pearl Strands Are A Must-Have. 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. GIA is a nonprofit 501(c)(3) organization. Tanzanite is one of the newest gems on the market and was discovered only in 1967 in Tanzania. Iolite is a transparent gem-quality form of cordierite, a magnesium iron aluminum cyclosilicate mineral. The Iolite is sometimes referred to as “water sapphire”, because in terms of color it is very similar to sapphire (safir = spelling). GIA is a nonprofit 501(c)(3) organization. Sapphire vs Diamond Tanzanite: December’s Stunning Birthstone. Browse Custom Iolite Pave Gemstone Jewelry from Gemvara. You May Also Like. 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. Note that the colors are brownish and unlike the vivid blues that are seen in finished jewelry. Since the tanzanite gemstone has this pleochroism, it can easily be confused with the two gems. Blue Iolite Blue Tanzanite 1.40 Ct Heart Shape 14K Yellow Gold Earrings. By closing this banner or using this site you agree to our revised Privacy Notice, Terms of Service and Cookie Policy. $114.99. There are also other differences between tanzanite and Iolite. All rights reserved. Comprehensive CAD/CAM For Jewelry Certificate, Advanced Laboratory-Grown Diamond Seminar. You can use SG on rough stones as well as cut so could be useful in this situation. Synthetics. Image courtesy of Lapigems Gem Company. 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… CHART SHOWING TANZANITE PER CARAT PRICES IN 2020 . Do I olite stones have Inclusions? Read Article. 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. Alleviates migraines. $99.99 . Tanzanite is a relative newcomer to the jewelry scene, having been around only since the 1960s. Tanzanite before heating: Tanzanite in the rough state, before heat treatment. Is it tough enough for rings. Cordierite was officially named after the French geologist, Pierre Louis Antoine Cordier (1777-1861) in 1813. It can serve as an alternative stone to either of these gems and is much lower in price. Explore sources, gemological research, and the role of gems in history. 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. The refractive index too shows a marked difference Tanzanite- 1.69 to 1.70) as compared to iolite1.54 to 1.60). Tanzanite is a variety of zoisite, which is a member of the epidote group.Colors include blue, purple and green. Among the most popular gems in the market, sapphire and tanzanite could not be more different. See this gemstone here.Sapphire is a very popular gemstone that has been valued and used in jewelry for centuries. Dec 21, 2019 - Explore Nola681985's board "Alexandrite/Tanzanite/Kunzite/Iolite", followed by 651 people on Pinterest. In the hands of a skilled cutter, iolite’s beauty can be revealed. The β ray is almost halfway between α and γ so precise readings should be taken. Fine iolite comes by its beautiful blues and violets naturally. Know about the value of Iolite in the USA market. A Set of Tanzanite, Sapphire or Iolite on White Background. Tanzanite, however, has become desired on its own for its dramatic rich bluish-violet color. If we compare based on hardness then it is harder then Tanzanite and softer than Sapphire. The only way to identify the correct stone is the hue. Unique or custom, handmade pieces from our shops of these gems and is much lower price. Newcomer to the Jewelry scene, having been around only since the tanzanite gemstone has this pleochroism, it easily! / difference sapphire - tanzanite: What is the difference between sapphire and tanzanite gems in field! At great prices between α and γ so precise readings should be taken selection of tanzanite iolite.. Beauty can be revealed around only since the 1960s found all over globe... Read Article vivid stones challenging the likes of tanzanite, however, has become desired on its own for dramatic... 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