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Fine Jewelry University Articles matching: “Emerald gem”
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Gem in the Spotlight: Ruby
For much of human history, rubies have been the most prized gemstone. But, what is it about this red gem that has captivated our hearts and minds for so long? Is it ruby’s color? … deeper? Whatever it is, ruby’s impact on humanity is broad and deep, with arguably the richest history of all gemstones. Gemology of Ruby Rubies are in the corundum gem family along with sapphires. Corundum is an extremely durable form … too pink, they are called purple sapphires or pink sapphires, respectively. Since sapphires and rubies are the same gem material, they also share a refractive index of 1.762-1.770 and a specific gravity of 4.00. A unique optical …
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Gem in the Spotlight: Peridot
Peridot is a lovely yellow-green gem with a rich history. Legend has it that Peridot was the favorite gemstone of Cleopatra. The ancients called it the “…dissolve curses but only when set in gold. Peridot is the birthstone for August. It is also the accepted anniversary gemstone for the 16th year of marriage. Peridot’s unique yellow-green color is very attractive. The name “Peridot” is … by its soft appearance. Color is the most important characteristic when determining the value of a Peridot gem. The deeper green the peridot is, the higher its value. There is a lot of confusion over the pronunciation of peridot. It is …
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Gem in the Spotlight: Pearl
… are both simple and infinitely complex. Let’s explore the science, history, and lore surrounding this most unique gem. How Are Pearls Formed? Pearls are formed when a foreign object enters the shell of a mollusk and irritates the soft …or some type of composite). History and Notable Pearls Pearl is the traditional birthstone of June and is a favorite gem for weddings. Natural pearls have been discovered and cherished for hundreds of years. Only more recently have …
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Fake Diamonds: The Great Diamond Attack
…Synthetic corundum and spinal, Glass) or simulants are quite easy to separate. The diamond tester and understanding gem properties make choosing the diamond an easy task with these older lookalikes. Apathy and sloppy observation can let …inertia testers) is the front line in finding diamond fakes or look a likes. Modern science has developed a man made gem that can fake out the standard diamond tester. Moissanite is lab-created, silicon carbide, and it gives a positive …
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The Magic of Polarized Light
…exactly, and why is my jeweler writing about it? It turns out that polarized light is actually a very useful tool in gemology, and in this article we’ll show you why. What Is Polarized Light? Light from almost any light source travels in… directions, and the vibrations around each ray of light are random. This is called unpolarized light. In the gemological world, this would be any light source that we use on a regular basis (e.g. overhead reflected light or a daylight …
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Is a Lab Grown Diamond Right for Me?
Picking a diamond for your engagement ring is a big decision. For most of us, buying a diamond is a significant financial undertaking, and we want to … grown diamond is. Of course, you don’t have to tell anyone you bought a lab grown diamond (and even experienced gemologists might not be able to tell). But, due to that misinformation we talked about earlier, most people don’t know what…. P. S. If you are considering a lab grown diamond, be sure to checkout Balance , our own collection of unique engagement rings made exclusively with
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How to Clean Pearl Jewelry
… symbols of purity and chastity. But even symbols of purity get dirty from time to time. As you know pearls are produced when a mollusk secretes nacre to form a covering around a foreign body in its shell. Pearls are not as durable as gemstones produced by the heaving pressure beneath the earth’s surface. Therefore special attention should be used when cleaning them. Pearls should be the last thing that you put on and the first thing that you take off. Common personal …
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Gem in the Spotlight: Quartz
… at the title and knew). Quartz is one of the most common minerals on earth. Many quartz varieties are cut into gemstones, but some varieties are very rare. Some are ordinary like rock quartz, others are exotic like Drusy Quartz. Some …, microcrystalline and cryptocrystalline. Within each of these broad categories, the different colors of the gemstone are given different names. Below is a quick list to help you get a better handle on the vast diversity of quartz. …
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Gem in the Spotlight: Morganite
… popular gemstones. Morganite has an impressive family tree. It is a beryl gem which puts it in the same family as emerald and aquamarine. Because of its association with emerald it is sometimes called “Pink Emerald”. Other names for …. Its durability is rated as excellent. Its hardness is 7.5 – 8.0 on the Mohs hardness scale which is comparable to emerald, topaz, and spinel. Its refractive index is 1.560 – 1.600, and its specific gravity is 2.67 – 2.90. These …
