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Fine Jewelry University Articles matching: “created emerald”
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Fine Jewelry University (Show All FJU Articles)
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Diamond Buying Guide: The 4 C’s
… you are choosing a diamond shape, keep in mind that different shapes have different light properties. Some shapes, like round, are especially good at returning light to the viewer which makes them sparkle more than other shapes. The emerald cut, for example, gives a classic look with big flashes of light but very little sparkle or fire. Ultimately, it’s up to you to pick the shape that you like best. The second component to diamond cut is the way the facets are positioned…
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Gem in the Spotlight: Iolite
… natural color of the stone when it was first discovered. Coming in at 7 to 7.5 on the Mohs hardness scale, iolite is a somewhat soft gem. It is comparable to quartz (Amethyst, Citrine, etc), a little harder than Opal, and softer than Emerald or Topaz. Because of this, some extra care should be taken with your iolite jewelry. Try to avoid wearing it in situations where it might be hit against hard objects to keep it free from cracks and small chips. Iolite is a fairly …
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Gem in the Spotlight: Topaz
… of 8. Mohs hardness is a standardized metric of how difficult it is to scratch something. For reference, topaz is a bit softer than diamond which is a 10 and corundum (sapphire/ruby) which is a 9 on the scale. It is a bit harder than emerald at 7.5-8 and quartz which comes in at 7. Here are some more gemological stats for reference: Refractive index: 1.619 to 1.627 Birefringence: 0.008 to 0.010 Specific gravity: 3.53 Mohs Hardness: 8 Care and Cleaning Even though it’s …
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Frequently Asked Question about Jewelry
… and experience combine to make a gemologist. A gemologist like other professionals must keep up with current advancements in the field. The pace of change in the gem industry is staggering. What is Moissanite? Moissanite is lab-created silicon carbide. It has become an excellent diamond imitation since it gives a positive reading on a thermal inertia testers (diamond testers). Some people use this property to fake unsuspecting diamond buyer out of their money. What is the…
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Star White Gold
… gold has a pure reflexive look. White gold is white…or is it? White gold can be compared with gasoline. There are generally three grades of gasoline, regular (really the lowest), mid grade, and premium. In addition, not all gas is created equally. We have all had the experience of poor performance due to poorly made gas. White gold also has three grades. Grade 3 is off white, grade 2 is standard, and grade 1 is premium. This means that when white gold is made, it can be…
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Gem in the Spotlight: Tanzanite
… rarity and dynamic look, tanzanite is still less in price than more commonly known gems like rubies, sapphires, and emeralds. Gemology of Tanzanite Gemologists refer to this gem as blue zoisite. The vast majority (current estimates are …Tanzanite has a Moh’s hardness of 6-7, making it about the same hardness as quartz, softer than ruby, sapphire and emerald and hard than opal. Tanzanite has a refractive index of 1.69-1.70. History and Lore of Tanzanite Tanzanite was …
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Anatomy of a Ring
… also adds a degree of security to the center stone as the arches can protect it from some side impacts. It also creates a difficult to clean area on the underside of the cathedral arches that can build up with dirt over time. We created an entire video on cathedral rings which you can checkout if you are interested in learning more about them. Halo Halo rings have been very popular for sometime and so you may be familiar with this one already. The “halo” refers to the …
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Alternative Metals for Men’s Jewelry
…ammunition. Tungsten wedding bands are not made out of pure tungsten. They are made out of tungsten carbide which is created by combining an equal number of tungsten and carbon atoms. Tungsten carbide rings need to combine tungsten ore in a …, lustrous, red surface. Burl wood rings are another creative use of nature and modern design. Burl wood is created when a tree growth has deformed. This fashions a beautiful, one-of-a-kind pattern which is very hard. Burl wood is often used…
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Gem in the Spotlight: Opal
…enhancing one’s eyesight. Pliny, a prominent Roman scholar in the first century AD, eloquently described opal like this: “For in them you shall see the living fire of the ruby, the glorious purple of the amethyst, the sea green of the emerald, all glittering together in an incredible mixture of light.” During the Middle Ages, opal gained an interesting reputation for preserving blonde hair and was believed to lose its luster in the presence of illness, particularly the …
