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Fine Jewelry University Articles matching: “Rt mean”

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Fine Jewelry University (Show All FJU Articles)

  1. Nickel in jewelry can cause allergic reactions

    What to Do When Your Ring Irritates Your Skin

    … a change in the skin’s chemical composition. Adding to the confusion, metal allergies can develop at any age. This means that even if nothing changed it is possible to suddenly become allergic to jewelry that you have been wearing …salty foods for instance) has caused your finger to swell slightly. Allergic Reactions Some people are allergic to certain metals that are used in jewelry. This can show up as a rash or discoloration of the skin which can begin hours or…

  2. Caring for and Cleaning Your Jewelry

    … from touching one another when you wear or store them. Diamonds are crystals that grow with a cleavage plane. This means a sharp blow on a vulnerable spot can chip or break the stone. This does not mean that diamonds are not very durable…. They will pull the oil from your fingers. Soaps and lotions add a coating that stops the light show. Dust and dirt stick to the grease and oils creating a lifeless diamond. Cleaning your diamond jewelry at home is simple and rewarding…

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

    Gem in the Spotlight: Ruby

    …precious stones” in the ancient language of Sanskrit. Rubies get their name from the Latin word “ruber,” which means red. This is also where rubellite tourmaline (the red variety of tourmaline) gets its name. Pliny the Elder mentioned … 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 rarity, and thereby its high cost? Or, is it something deeper? …

  4. Retipping is an important jewelry repair technique

    Jewelry Repair FAQ

    …. Molecules are the key to understanding gold plating. The amount of gold used is on the molecular level. This means that only a very thin layer of gold covers the surface. Gold plating produces a layer of gold around 0.5 microns thick. A…make gold jewelry, we mix pure gold with other metals to create different alloys that have different colors and properties. Because silver is naturally a white metal, many people believe it is mixed with pure gold to create white gold. …

  5. Polarized light diagram

    The Magic of Polarized Light

    …of the molecules are aligned with each other so only a certain vibrational direction of light can pass through. This means that all of the light that passes through a polarizing filter is “polarized.” Common Uses for Polarizing Filters … out a different direction of light, and the second one is filtering out the opposite direction of the first. This means that all of the light that makes it through the first filter is then blocked by the second one. Placing a gemstone in…

  6. Alternative metal wedding band options for men

    Alternative Metals for Men’s Jewelry

    … to other jewelry metals can usually wear tungsten jewelry without issue. Tungsten comes from a Swedish term meaning “heavy stone.” It is element 74 on the periodic table with the chemical symbol “W”. The “W” comes from its earlier name, …, or platinum. Its extreme hardness makes it resistant to scratching, but it does have brittle properties. This means that if enough pressure is applied to a tungsten wedding ring, the ring will crack or break instead of bending. This is …

  7. Lab grown synthetic diamond Type IIa tester with diamond

    How to Tell If a Diamond Is Natural or Lab Grown

    …question we get all the time, and it’s not as simple as you might think. First, you have to decide what “real” means. If you are not familiar with lab grown diamonds, you might want to check out our introduction to lab grown and synthetic… you know that lab grown diamonds are just as real as natural diamonds, but we still want to be able to tell them apart. When it comes to diamond simulants like Cubic Zirconia (CZ) or Moissanite, it is easy to identify them because they…

  8. Gold Purity and The Differences Between White and Yellow Gold

    … metal and it is a rare yellow mineral that is the most malleable and pliable of all metals. Yes, but what does that mean to me? Gold is a beautiful metal that is used to make timeless jewelry. Gold can be bent and molded into elegant … Is all gold the same? We hear a piece of jewelry is pure gold or solid gold or 24 karat gold, but what does it all mean? Gold used in jewelry like wedding rings can come in many forms. Basic to understand the uses of gold in jewelry is …

  9. Three loose garnets red organge and green

    Gem in the Spotlight: Garnet

    …, 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 … 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…