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Fine Jewelry University Articles matching: “white topaz”

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Fine Jewelry University (Show All FJU Articles)

  1. Group of loose spinel gemstones with finished jewelry

    Gem in the Spotlight: Spinel

    …have your spinel jewelry professionally clean by a local jeweler like us. Spinel can be stored with other jewelry but like with all precious stones, it should be treated and stored with care. Its Mohs hardness of 8 puts it on par with Topaz. It’s softer than diamond or sapphire but harder than quartz, tourmaline, and peridot. With proper care there’s no reason why a piece of spinel jewelry can’t last for generations even becoming a treasured family heirloom. Why Spinel? …

  2. Peridot is a bright yellow-green gemstone

    Gem in the Spotlight: Peridot

    …it was believed that they intensified the effects of the drug. Gemologically speaking, Peridot is the gem variety of Olivine. It has a Moh’s hardness of 6.5 to 7 which makes it a little harder than Moonstone and a little softer than Topaz. Care should be taken to protect peridot from scratches, sharp blows, household chemicals and extreme temperature changes. Do not use a home ultrasonic machine for cleaning. Instead, use warm soapy water and a tooth brush for at-home …

  3. Tourmaline jewelry and loose gems

    Gem in the Spotlight: Tourmaline

    … not a species or member of a different family (unlike emerald and aquamarine, for example, which are members of the beryl family). It has a refractive index of 1.624 to 1.644 and a Mohs hardness of 7 to 7.5 which makes it softer than topaz or sapphire and harder than tanzanite or opal. Tourmaline is found in a huge variety of colors (sometimes even within the same gem), and some of these colors have their own names: Rubellite: is red, pinkish red, orangy red, or pink …

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

    Art Deco vs. Art Nouveau Style Jewelry

    … pieces that were not just adornments but works of art. Many Art Nouveau jewelry pieces were made in silver, but white gold and platinum were quite common as well. The diamonds used in Art Nouveau jewelry were typically Old Mine cuts, but …, bold colors, and streamlined forms 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 …

  5. Single white round pearl on white background

    Gem in the Spotlight: Pearl

    …iridescent rainbow colors that shimmer on or just below a pearl’s surface). Pearls come in a range of colors, from white to black, with many shades in between. The most valuable pearls are those with a pure, even color, such as white, pink…

  6. A collection of jade jewelry and loose gems

    Gem in the Spotlight: Jade

    … is commonly found in a darker olive green color but can also be very light green, orangey-red, black, and yellowish green. Jadeite can come in many different colors including pink, purple (often called lavender jade), blue, black, white, and the most valuable/desirable color: a vibrant green. The finest of all green jadeite colors is a saturated emerald green that is almost transparent, and it is called “Imperial Jade.” Jade is one of the top selling gems in Asia, but …

  7. Old mine cut diamond example

    The History of Diamond Cuts

    … Round Brilliant Cut Now, we are nearing the end of our journey through the history of diamond cuts. The modern round brilliant cut is a product of math and science. Marcel Tolkowsky analyzed diamond brilliance in the way they take white light and break it into its spectral hues and direct it to impress the wearer. Tolkowsky’s calculations serve as the basis for the modern round brilliant. Since its creation subtle and not so subtle variations on the round brilliant have…

  8. The 4 Cs of Diamonds

    Diamond Buying Guide: The 4 C’s

    …choose to go down a color grade to allow you to buy a larger diamond for the same price. Or, you may want to get the whitest diamond possible to outshine your friends when you put them side-by-side. It’s all about discovering what’s most …. While natural fancies can be very rare and extremely expensive, we now have the technology to permanently color a white diamond to almost any color you can imagine. You can read more about fancy diamond colors here. Clarity Most diamonds…

  9. Three loose garnets red organge and green

    Gem in the Spotlight: Garnet

    … garnets are more than the little red gem. Garnets allow for great personal diversity and style. The wide world of garnets invites all to become a garnet fan. Garnet is January’s birth stone. January babies born in the 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, bright …

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