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Fine Jewelry University Articles matching: “Single band with one stone”

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Fine Jewelry University (Show All FJU Articles)

  1. Group of loose topaz gems and topaz jewelry

    Gem in the Spotlight: Topaz

    …Cleaning Even though it’s tough to scratch, you should protect your topaz from hard knocks. It can be split with a single sharp blow, a trait it shares with diamond. Clean with mild dish soap; use a toothbrush to scrub behind the stone …, to violet, to green. These coatings can allow topaz to be any color of your preference. Topaz itself is a hard gemstone with a Mohs hardness of 8. Mohs hardness is a standardized metric of how difficult it is to scratch something. For …

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

    Gem in the Spotlight: Alexandrite

    … known around the world as one of the most sought-after gems for the better part of 200 years. But, what makes this stone so special? Gemology of Alexandrite Alexandrite is the extremely rare, color-change variety of a gem species called … 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

  3. Collection of sapphire jewelry and loose sapphire gemstones in many colors

    Gem in the Spotlight: Sapphire

    … whose reflection gave the sky its color. Ancient priests and sorcerers honored sapphire above all gems, for this stone enabled them to interpret oracles and foretell the future. Symbolizing truth, sincerity and tradition, it has been said… Moses received the Ten Commandments they rested on tablets of sapphires. Marriage partners put great faith in the stone. If its luster dimmed, one knew his or her spouse had been unfaithful. Sapphire refused to shine when worn by the …

  4. Morganite is a beautiful soft-pink gemstone

    Gem in the Spotlight: Morganite

    Morganite is a beautiful, soft pink gemstone and a graceful expression of elegance. It is not a very well-known gem, but it definitely should be. It is pastel or…. It is the subtle, understated nature of Morganite’s color that sets it apart from many of the more popular gemstones. Morganite has an impressive family tree. It is a beryl gem which puts it in the same family as emerald and aquamarine. …pink variety of beryl “Morganite”. It has good hardness, durability, luster, and brilliance which make it a great gemstone for jewelry. For the gem nerds out there, here are a few of the gemological properties of Morganite. Its durability …

  5. Unique inclusion in a lab grown diamond

    What Are Lab Grown Diamonds?

    … fully, it helps to understand a little bit about how lab grown diamonds are made. There are two techniques to grow single crystal diamonds. The first and oldest is the High Pressure High Temperature (HPHT) technique. This process starts … than diamond and different optical properties. For example, Moissanite is double-refractive whereas diamond is single-refractive. Since Moissanite tests like diamond (due to its heat dispersal properties), people think it is diamond or …

  6. Frequently Asked Question about Jewelry

    … the Diamond does not chip or is not otherwise altered. An appraisal can be performed on a loose Diamond, a mounted stone, or jewelry. If the stone is not loose, the physical properties are estimated using various estimation techniques. …. Carat is the weight of a gem. A carat equals 1/5 of one gram. Cut has two components to it. The shape of the stone and the way facets are positioned on the diamond. Color is actually looking for the absence of color or transparency. …

  7. Loose fantasy cut aquamarine

    Gem in the Spotlight: Aquamarine

    … to banishing fears and phobias. Aquamarine is a universal symbol of youth, hope, and health. In ancient times, the stone was said to aid seafarers. Sailors often wore amulets of aquamarine to give them courage and tame the ocean waves. …friends.” Another saying is, “to wear aquamarine earrings brings love and affection.” Aquamarine as a precious stone has always been popular. In ancient times, the aquamarine was believed to instill courage in those who wore them.  Ancient…

  8. A computer rendering of a fake diamond

    Fake Diamonds: The Great Diamond Attack

    … the ability to identify Moissanite. More on Moissanite Moissanite also has some gemological properties (it is a DR stone while diamond is a SR stone) that help identify it, but labs are working to change the nature of the stone. It has a …them apart. Gemologists must use all their experience and training to find the smallest of clues to determine if the stone is of natural or manufactured origin. It can be done well with careful observation. Keep in mind, however, that the …

  9. Caring for and Cleaning Your Jewelry

    …. This will take away the shine. Ammonia-based cleaners clean diamonds and gold well but they may hurt other gemstones. It is also not a good idea to soak jewelry for very long in ammonia-based cleaners. Some anti-bacteria cleaners can … especially). It is safe to use an ultrasonic cleaner with diamond jewelry. Ultrasonic’s can damage other gemstones, know for certain it is safe to use. Ethyl alcohol is good for rinsing diamonds because it evaporates so quickly. Do not …

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