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Fine Jewelry University Articles matching: “white topaz”

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Fine Jewelry University (Show All FJU Articles)

  1. Platinum

    … Platinum and its use in jewelry. Platinum is one of the rarest and most durable precious metals. Platinum’s rich, white luster enhances the brilliance and will maintain its shining luminosity forever, unlike other white metals which can, … to tarnishing and discoloration due to chlorine and other chemicals. These factors, along with its strength and white luster, have made platinum an increasingly popular choice for jewelry, either on its own or as the setting for diamonds …

  2. A group of tanzanite loose gems and rings

    Gem in the Spotlight: Tanzanite

    …earth. In 2002 tanzanite was added as one of the birthstones for December alongside blue zircon, turquoise, and blue topaz. Tanzanite is believed to symbolize transformation and spiritual awakening. It is often associated with the idea of … faceted tanzanite in the world. The tiara also contains 913 diamonds and 803 tsavorite garnets all set in 18 karat white gold. It is owned by former Apple CEO Michael Scott who routinely loans it out for display at museums. Care and …

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

    Gem in the Spotlight: Quartz

    …Matrix Quartz is probably the one that you have seen the most. It is a beautiful stone that commonly features a rich white base color with veins of vibrant yellow gold. Crystal Name Color Aventurine Translucent with small green platelet … to each other. Crystal Name Color Chalcedony Any cryptocrystalline quartz, although generally only used for white or lightly colored material (otherwise more specific names are used) Sard Reddish-brown chalcedony Sardonyx White and brown …

  4. Morganite is a beautiful soft-pink gemstone

    Gem in the Spotlight: Morganite

    … gemstone for jewelry. For the gem nerds out there, here are a few of the gemological properties of Morganite. Its durability is rated as excellent. Its hardness is 7.5 – 8.0 on the Mohs hardness scale which is comparable to emerald, topaz, and spinel. Its refractive index is 1.560 – 1.600, and its specific 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 …

  5. Unique inclusion in a lab grown diamond

    What Are Lab Grown Diamonds?

    … a simulant. Simulants are gems that look like a real, natural gem but are actually another material. So, a clear or white sapphire can be a diamond simulant because it looks like a diamond. That white sapphire can be natural or, here’s …made (natural vs synthetic), but that it is a substitute that looks like another gem. So, we can say that a man-made white sapphire is a “synthetic sapphire” or that it can be used as a “diamond simulant,” but it would be incorrect to say …

  6. Beautiful iolite jewelry and loose gemstones

    Gem in the Spotlight: Iolite

    … of the stone when it was first discovered. Coming in at 7 to 7.5 on the Mohs hardness scale, iolite is a somewhat soft gem. It is comparable to quartz (Amethyst, Citrine, etc), a little harder than Opal, and softer than Emerald or Topaz. Because of this, some extra care should be taken with your iolite jewelry. Try to avoid wearing it in situations where it might be hit against hard objects to keep it free from cracks and small chips. Iolite is a fairly common gem, …

  7. Loose fantasy cut aquamarine

    Gem in the Spotlight: Aquamarine

    …refractive index of 1.577 to 1.583 and is doubly refractive. Aquamarine’s specific gravity is 2.72 and it has a Mohs hardness of 7.5-8.0. For comparison, this means that it is softer than Sapphire, harder than Quartz, and similar to Topaz. This makes it a very durable stone that is suitable for regular wear. But, care should still be taken to ensure that the stone is not damaged. Caring For and Cleaning Aquamarine To maintain the brilliance of this beautiful gemstone, it…

  8. Blue Zircon loose gems and jewelry

    Gem in the Spotlight: Blue Zircon

    … colors and brilliant flashes of light. To top it all off, zircon is generally very affordable. It is a wonderful gemstone for jewelry wearers and gem collectors alike. Plus, it out sparkles the other December birthstones (Blue Topaz and Tanzanite) making it a great gift for anyone born in December or who simply appreciates dazzling, fiery

  9. 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 …