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Fine Jewelry University Articles matching: “gemstone emerald”

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Fine Jewelry University (Show All FJU Articles)

  1. Three loose rubies in a row triangle oval and pear shaped

    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? It’s … 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 of … properties have been known well for over 2,000 years. For much of human history, rubies have been the most prized gemstone. The ruby has always been a symbol of love, charity, and victory. The earliest cultures worshiped rubies, calling them…

  2. 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) …

  3. The different parts of an engagement ring

    Anatomy of a Ring

    … any bands or other rings you plan to wear next to the main ring? Head The head is the piece that holds the gemstone. Pronged heads are most common. The prongs are the little claws of metal that secure the stone. Most prong heads in rings …time and may need to be built up by a jeweler. When you are shopping, pay close attention to how the main diamond or gemstone is set. What style of head is used? What trade-offs are being made between security, design, and how much of the …

  4. Unique inclusion in a lab grown diamond

    What Are Lab Grown Diamonds?

    … from the rest of the gas and deposited on a wafer of diamond crystal which establishes the crystal structure as the gemstone grows layer by layer. You can learn more about how lab grown diamonds are made from our main article on the … becomes a fake. Most gem simulants are trying to imitate diamonds, but there are also simulants for other valuable gemstones (sapphires, rubies, etc.). Here are some of the more popular diamond simulants. Synthetic Rutile was introduced in …

  5. Early attempts at making lab grown diamonds

    How Are Lab Grown Diamonds Made?

    … 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 …

  6. A group of art deco and art nouveau rings together

    Art Deco vs. Art Nouveau Style Jewelry

    … influenced by Cubism and the Machine Age. Precious metals like platinum and white gold alongside rare and valuable gemstones such as diamonds, emeralds, and sapphires, were the materials of choice for Art Deco jewelry makers. The most …Deco designers embraced new materials like Bakelite, celluloid, and chrome alongside traditional precious metals and gemstones to create dynamic and futuristic designs. Influence and Legacy Although it was relatively short-lived, Art Nouveau …

  7. Group of loose spinel gemstones with finished jewelry

    Gem in the Spotlight: Spinel

    …, but now the entire color pallet has been opened up. Spinel is arguably the most overlooked and underappreciated gemstone of all time. Spinel was first made in a lab over 100 years ago when scientists who were trying to synthesize blue … 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 …

  8. The 4 Cs of Diamonds

    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…

  9. Collection of loose and mounted quartz gems of various types

    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 quartz …, 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. Before we …

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