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Fine Jewelry University Articles matching: “Repair scratch stone”

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Fine Jewelry University (Show All FJU Articles)

  1. Jewelry solder is different than normal jewelry metals

    Jewelry Solder: What You Should Know

    Solder is the unseen “glue” that holds most jewelry together. If you have ever had a ring sized, a chain repaired, or your wedding set joined together, you have very likely seen solder in action. But, what is solder and how is it different than the rest of the metal that makes up your jewelry? What is Solder? To answer this question we first …

  2. Nickel in jewelry can cause allergic reactions

    What to Do When Your Ring Irritates Your Skin

    … skin. Once you have found the right metal, we can either recreate your existing ring in that metal, or start from scratch. As a final reminder, we are jewelry experts, and we have seen a lot of irritation from jewelry over the years. But, …. We do custom jewelry design , and one of our favorite projects is to take the raw materials (gold, diamonds, gemstones, etc.) from a client’s existing ring and use them to make a new and exciting creation. We can reuse the diamonds and …

  3. Group of loose topaz gems and topaz jewelry

    Gem in the Spotlight: Topaz

    … you see in Mystic Topaz. These enhanced topaz pieces must be handled with special care because the coating can be scratched and the gem ruined very easily. Mystic topaz comes in virtually any color from sunset orange, to violet, to green. … 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 reference, topaz is a bit softer than diamond which is a 10 and corundum (sapphire/ruby) which is a 9 on …

  4. Polarized light diagram

    The Magic of Polarized Light

    … Polarizing filters are critical to many fields of study. Without them, we wouldn’t be able to easily identify gemstones, TVs and monitors wouldn’t work in the same way, and the latest blockbuster movie wouldn’t pop off the screen the way … them to function efficiently as they do without negative side effects. Using Polarized Light in Gemology Some gemstones, due to their unique chemical structure, actually polarize light themselves. These gems are doubly refractive (DR) and…

  5. A collection of jade jewelry and loose gems

    Gem in the Spotlight: Jade

    … of “toughness”. Toughness is a material’s resistance to fracturing, whereas hardness is its resistance to scratching. This may seem like splitting hairs, but it actually has a big impact on how gems are worn and what they can handle. We all…We all know diamonds are the hardest gem commonly available on earth. If you scraped them together, a diamond would scratch a piece of jade while the much softer jade wouldn’t leave a mark on the diamond. However, if you decided to smack …

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

    Gem in the Spotlight: Quartz

    … than opal and peridot but softer than topaz or sapphire). This makes it a fairly hard gemstone that is resistant to scratching and chipping. It is also resistant to heat and chemicals, which means that it can withstand daily wear and tear … watches. Triboluminescence is another amazing physical property of quartz. When quartz is broken, pulled apart, or scratched it releases small amounts of static electricity as light. If you take two pieces of quartz and rub them together in…

  7. Group of loose emerald gemstones

    Gem in the Spotlight: Emerald

    Springtime exudes life, full of bright colors and renewed energy. Emerald, May’s gemstone, captures this enthusiasm for life in rich elegance. This precious gemstone has been revered for over 4,000 years … quartz varieties. The refractive index of emerald ranges from 1.57 to 1.58, making it a moderately refractive gemstone. Its specific gravity ranges from 2.65 to 2.75. One of the distinctive features of emeralds is that they often contain … are referred to as jardin (the French word for garden) because they look like moss or a garden inside of the stone. These inclusions are tiny fissures, bubbles, or crystals that are visible to the naked eye. These inclusions are not …

  8. The Birthstones

    … chase away evil spirits and dissolve curses but only when set in gold. 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 … opal to be a gift from heaven that would fall in the flashes of lightening. Care should be taken to protect it from scratches, sharp blows, household chemicals, and extreme temperature changes. To maintain the brilliance of opal, it should …

  9. Single white round pearl on white background

    Gem in the Spotlight: Pearl

    … extra care to continue looking their best. With a Mohs hardness of 2.5, pearls are among the softest (most easily scratched) materials commonly used in jewelry. Follow these simple rules to help your pearls last for generations. Last on, …) for cleaning because this can weaken the silk thread they are strung on over time. Store Safely: Pearls can be scratched by sharp objects like the metal and gems in other jewelry. They can also stretch out if they are hung for storage. …

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