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Fine Jewelry University Articles matching: “London blue topaz white gold”

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Fine Jewelry University (Show All FJU Articles)

  1. 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 …

  2. Opal Rings With Loose Opal Gemstones

    Gem in the Spotlight: Opal

    … can be applied to opals to alter their appearance. By far the most common is “sugar” or “smoke” treating a white opal to give it a darker body color. This is a simple treatment that involves placing the stones in a sealed environment … are porous by nature, so small particulates can be absorbed, if the stones are subjected to them for long enough. A white opal can be darkened to have a gray body color, and gray opals can be darkened to have a black body color. A …

  3. 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 …

  4. 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 …

  5. Three loose garnets red organge and green

    Gem in the Spotlight: Garnet

    … 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…

  6. A collection of jade jewelry and loose gems

    Gem in the Spotlight: Jade

    … 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 …

  7. A group of alexandrite jewelyr and loose gems shown in different light to demonstrate color change

    Gem in the Spotlight: Alexandrite

    … most wavelengths of light very well, only transmitting green and red light. This means that depending on the light source the stone will reflect more of the accent colors of light. Since fluorescent light has a stronger greenish-blue component, the stone appears greener. Under candlelight, which has a much stronger red/orange component, the stone will appear redder. Alexandrite has a refractive index of 1.746-1.755 with an average birefringence of .010. It has a …

  8. 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 …

  9. Jewelry solder is different than normal jewelry metals

    Jewelry Solder: What You Should Know

    … we first have to understand metal alloys. If you haven’t already, now would be a great time to read our article on gold purity . Now you should know that the metals that make up our jewelry are actually a mix of multiple different metals… gold jewelry, but the same concepts also apply to silver and platinum as well. If your ring is made out of 14 karat gold, you know that approximately 56% of it is gold with the rest being made up by a variety of different metals like …