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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Quartz
… have a long tradition of being special to people. Microcrystalline means that the stone is made up of smaller crystals and not one big crystal. Sometimes you can see this structure with your naked eye as with Drusy Quartz, or you may need … White quartz with gold matrix laced through it (also called Gold Quartz or Gold in Quartz) Drusy Quartz Very small crystals in a layer of matrix The Cryptocrystalline Varieties of Quartz There is one more crystal formation of quartz called …
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What Are Lab Grown Diamonds?
… the gemological world, synthetic is a highly technical term. When speaking technically, synthetic gems are man-made crystals with the same crystal structure and chemical composition as the specific gem that is being created. Therefore, a “…. The important takeaway for now is that both of these processes are highly advanced technologies that produce crystals with the exact same chemical structure and optical properties as natural diamonds. Now, let’s compare lab grown diamonds …
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Gem in the Spotlight: Pearl
…. Luster A combination of the pearl’s exterior shine and glow from within. Created by light reflected from tiny crystals in the nacre. Mabe pearl Cultured pearls grown against an oyster’s shell rather than in an oyster’s tissue. The result is… pearl Nacre Pronounced nay-ker. The crystalline substance secreted by an oyster to form a pearl. The microscopic crystals of nacre refract light to produce a pearl’s color and luster. Nucleus The object which is artificially inserted into a …
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Gem in the Spotlight: Aquamarine
… ordered from Garrard in 1957. The Gemology of Aquamarine Like emerald, aquamarine is a member of the beryl family (along with morganite, heliodor, and others). Unlike emerald, it is frequently free of flaws and often occurs in large crystals. Aquamarine’s main pigment comes from iron. The color spectrum of aquamarine varies from very pale blue to a deep blue, the finest specimens being the deepest in color. Most aquamarine stones have a subtle green component, and in some …
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Gem in the Spotlight: Emerald
… is that they often contain inclusions. Sometimes these inclusions are referred to as jardin (the French word for garden) because they look like moss or a garden inside of the stone. These inclusions are tiny fissures, bubbles, or crystals that are visible to the naked eye. These inclusions are not necessarily considered flaws but rather add character and uniqueness to the stone. At this point in history, almost every emerald has had some level of treatment to make the …
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Gem in the Spotlight: Amethyst
… Smithsonian Institution, National Museum of Natural History. The amethyst was most likely mined in Brazil and exhibits a deep, rich purple color. Amethyst also naturally occurs as geodes (rock that contains a hollow cavity lined with crystals) and the most famous of these is the largest ever found. This amazing stone named “The Empress of Uruguay” stands 10.7 feet tall and weighs over 5,500 pounds! Care and Cleaning Amethyst is a relatively low-maintenance gemstone and can…
Blog Posts
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Meet the Jewelers: Sacramento Indie Jewelry Designers
… and sports photography. In her free time, she enjoys creating digital and traditional illustrations. Artist’s Statement: My current collection is called “Birdwatch” and focuses on various whimsical and detailed birds perched on raw crystals, stones, and wood, showcasing polished and intricate metalwork carefully balanced with rougher foundations, just as we see with real birds, who are masters of balance and adaption. I prefer to make use recycled scrap metals which I pour…
