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Showing all results for: “Crystals”
Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Garnet
… lantern to navigate the Ark at night. The ancient world is full of praise for the carbuncle, the glowing red gemstone we now know as garnet. Early scientists named garnet from the Latin granatus, which means ‘seedlike’ because 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 grossular, …
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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: 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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Gem in the Spotlight: Tourmaline
…Paraíba, Brazil. Chrome tourmaline: is a vibrant and intense green. Most of chrome tourmaline’s color actually comes from vanadium. Watermelon: This variant of tourmaline has a pink center and green edges that resembles a watermelon. Crystals of this type are often cut in slices to display this unique property. One of tourmaline’s most distinctive traits is its ability to be multicolored as mentioned above with watermelon tourmaline. The gemological term for this is parti-…
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Gem in the Spotlight: Opal
… them glued together after the fact to be set into jewelry. In triplets, that thin piece of opal is sandwiched between a piece of onyx and a clear piece of laboratory grown quartz (the same material that is commonly used for watch crystals). This helps show off the opal’s beauty while keeping it safe and strong. Doublets and triplets are much less expensive than other forms of opals because you only need a paper thin slice to make them. History and Lore of Opal Opal’s rich …
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How Are Lab Grown Diamonds Made?
… tried growing diamonds like they grew rubies, sapphires, and emeralds. It failed. Then they had the idea to grow diamonds in the lab like they grew in nature. High Pressure High Temperature Diamonds How does nature form diamond crystals? Nature does it very deep underground. Diamond growing naturally takes place about 100 miles below the earth’s surface. Why? Because that is where the conditions of extremely high pressure and high temperature needed for diamond formation …
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…
