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Fine Jewelry University Articles matching: “Identifying gemstones”

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Fine Jewelry University (Show All FJU Articles)

  1. Tsavorite garnet is a rare and beautiful green gem

    Gem in the Spotlight: Tsavorite Garnet

    … grossularite doesn’t exactly roll off the tongue. So, a proper name was definitely in order. The nomenclature of gemstones follows certain rules, and according to modern mineralogical methods, gemstones are given a name which ends in “-ite”. … the name Tsavorite. It is also less commonly referred to as Tsavolite. Mythology and Lore Unlike many of the other gemstones we write about, Tsavorite does not have a rich history or lore, given its recent discovery. That said, as a member of…

  2. Early attempts at making lab grown diamonds

    How Are Lab Grown Diamonds Made?

    …natural diamonds. This fact, while not generally detrimental to the appearance of the diamonds, is quite useful when identifying them as lab grown . So, Which Kind of Lab Grown Diamond Should I Choose? If you are considering a lab grown diamond… so making artificial carbon crystal was the problem of lab grown diamonds. For decades, manufacturers of synthetic gemstones tried growing diamonds like they grew rubies, sapphires, and emeralds. It failed. Then they had the idea to grow …

  3. Group of loose spinel gemstones with finished jewelry

    Gem in the Spotlight: Spinel

    …mistake. Since then many processes have been used and perfected to create spinel in even more colors than it is naturally found in. Because of how easily it can be created in a lab, synthetic spinel has been used to imitate many other gemstones (ruby, sapphire, tourmaline, zircon, etc.). In fact, the ubiquity of synthetic spinel may be part of the reason why most people have been slow to appreciate natural spinel in its own right. Interestingly, most lab-created spinel has a…

  4. Morganite is a beautiful soft-pink gemstone

    Gem in the Spotlight: Morganite

    …salmon. It is the subtle, understated nature of Morganite’s color that sets it apart from many of the more popular gemstones. Morganite has an impressive family tree. It is a beryl gem which puts it in the same family as emerald and aquamarine… gravity is 2.67 – 2.90. These characteristics help identify Morganite as beryl and distinguish it from other pink gemstones. Morganite is commonly heat treated to remove yellow and orange hues and to achieve a purely pink stone. This type of …

  5. Loose fantasy cut aquamarine

    Gem in the Spotlight: Aquamarine

    …, aquamarine was believed to guarantee a happy marriage and inspire mutual fidelity in newlyweds. Notable Aquamarine Gemstones The largest gem-quality aquamarine gemstone ever mined was 19 inches long. The largest cut aquamarine is named the … hue is not overpowering but an understated appeal. It has an elegance and subtlety that is lost with more vibrant gemstones. If you are looking for the perfect piece of aquamarine jewelry, you have come to the right place. At Arden Jewelers, …

  6. Group of loose emerald gemstones

    Gem in the Spotlight: Emerald

    … to green than to any other color thereby making it easier on the eyes. Pliny said that emeralds were the only gemstones that delighted the eye without fatiguing it. In fact, Emperor Nero was said to wear a kind of emerald glasses to watch the… in Columbia, it is one of the finest green emeralds ever discovered Care and Cleaning of Emerald Like all precious gemstones, emeralds require proper care to maintain their brilliance and value. Emeralds are relatively durable, but they can …

  7. Three loose garnets red organge and green

    Gem in the Spotlight: Garnet

    … midst of cold, white (valley fog) and at times stark surroundings are rewarded with one of the most varying birth gemstones…Garnet. Garnet’s pizzazz energizes the gloomiest day. Garnet varieties brighten the world in colors of yellow to … garnet crystals in rock reminded them of the shape and color of pomegranate seeds. Garnet is really a group of gemstones. The pyrope, almandine and spessartite are the red – brown to orange sometimes with a tint of violet varieties. The …

  8. Polarized light diagram

    The Magic of Polarized Light

    … Polarizing filters are critical to many fields of study. Without them, we wouldn’t be able to easily identify gemstones, TVs and monitors wouldn’t work in the same way, and the latest blockbuster movie wouldn’t pop off the screen the way it … allow them to function efficiently as they do without negative side effects. Using Polarized Light in Gemology Some gemstones, due to their unique chemical structure, actually polarize light themselves. These gems are doubly refractive (DR) …

  9. The Birthstones

    … midst of cold, white (valley fog) and at times stark surroundings are rewarded with one of the most varying birth gemstones, Garnet. Garnet’s pizzazz energizes the gloomiest day. Garnet varieties brighten the world in colors of yellow to gold…Pearls form directly from the hand of nature, ready to be admired and worn to display all their beauty. Alternative gemstones for June include moonstone, alexandrite, and rhodolite garnet. Learn more about Pearl and Alexandrite July’s …

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