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Fine Jewelry University Articles matching: “Three crowns 14 E”

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Fine Jewelry University (Show All FJU Articles)

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

    … are listed in the table below: Karat Parts Gold to Alloy Percentage Fineness 9K 9/24 37.5% 375 10K 10/24 41.67% 417 14K 14/24 58.33% 583 18K 18/24 75.00% 750 22K 22/24 91.66% 917 24K 24/24 100% 999 The key to understanding gold karat … ring. It is 14/24, which equals 58.3% gold and 41.7% alloy. In most engagement rings the stamp in the ring is 14k or sometimes 585. Both of those stamps mean the wedding ring is 14 karat gold. So the only pure gold is 24 karat gold …

  2. Polarized light diagram

    The Magic of Polarized Light

    … a pair of glasses that have polarizing filters for lenses. This tricks your brain into thinking you are seeing a three-dimensional object using our perception of depth. Liquid crystal displays: Polarizing filters are part of an LCD screen…We use polarized light on a daily basis when we put on our sunglasses, turn on our TV, or sit down at our computer. But…is polarized light exactly, and why is my jeweler writing about it? It turns out that polarized light is actually a very useful tool in gemology, and in this article we’ll show you why. What Is Polarized Light? Light from almost any …

  3. The Birthstones

    January’s Birthstone: Garnet January babies born in the midst of cold, white (valley fog) and at times stark surroundings are rewarded … of the most varying birth gemstones, Garnet. Garnet’s pizzazz energizes the gloomiest day. Garnet varieties brighten the world in colors of yellow to gold, bright orange to true orange, brown to cinnamon, pinks to greens, and of … many shades of red. Garnets are given as symbols of consistency, perseverance and good health. Garnet is also regarded as the gem of faith, constancy and truth and possesses many curative powers. Some of the lore surrounding garnets …

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

    Gem in the Spotlight: Quartz

    What is common and yet rare? What is well known but surprising? What is affordably priced sometimes and sometimes unattainably expensive? … quartz to all these questions you would be right (but naturally you looked at the title and knew). Quartz is one of the most common minerals on earth. Many quartz varieties are cut into gemstones, but some varieties are very rare. … are ordinary like rock quartz, others are exotic like Drusy Quartz. Some quartz material is a dollar per pound while others are $1,000+ per carat. Quartz is a gemstone with surprising variety. The most important reason for this …

  5. Fake Diamonds: The Great Diamond Attack

    A popular game show would have three people all say that they were someone and the contestant would try to find out who was the real person. Technology … many new diamonds and diamond lookalikes. “What is a real diamond?” is a difficult question these days. And the problem of separating a fully natural diamond from all the modern possibilities is quite demanding. So what is a real …Let’s start with the older diamond look a likes, (CZ, GGG, YAG, Synthetic corundum and spinal, Glass) or simulants are quite easy to separate. The diamond tester and understanding gem properties make choosing the diamond an easy task …

  6. Loose fantasy cut aquamarine

    Gem in the Spotlight: Aquamarine

    … 19 inches long. The largest cut aquamarine is named the Dom Pedro and is an astounding 10,363 carats. It measures 14 inches long and is currently on display in the Smithsonian. Another famous aquamarine is the incredible stone housed …Aquamarine derives its name from the Latin which literally means “seawater,” a tribute to its beautiful blue color. As a member… family, Aquamarine has some illustrious cousins in addition to a rich history of its own. The Mythology of Aquamarine Long associated with tranquility and happiness, aquamarine was also thought to instill courage, cure laziness, and …

  7. The 4 Cs of Diamonds

    Diamond Buying Guide: The 4 C’s

    If you understand how diamonds are graded, you have a better chance of finding the right one for you. At Arden Jewelers, our … more than happy to answer any questions you have so please feel free to visit us anytime. Carat Weight Diamonds are small, so the scale that is used to describe diamond weights uses very small units. A carat equals 1/5 of one gram. A … into 100 points. A diamond can be described as 75 points or 0.75 carats or 3/4 of a carat. It is a good practice to know the exact weight of a diamond when buying or selling. The weight of a diamond is often thought of in terms of its…

  8. Nickel in jewelry can cause allergic reactions

    What to Do When Your Ring Irritates Your Skin

    Nothing is more frustrating than being unable to wear your engagement ring or other jewelry because it irritates your skin. Don’t …. There are many options you have when faced with this problem. The first step is to try to determine what the cause of the irritation is. There are actually several different possible causes and it’s easy to waste a lot of time and …’t know what the true source of the problem is. There are two main types of irritation: 1) Physical irritation caused by the metal rubbing against the skin, and 2) allergic reactions to jewelry. These types of irritation can look very …

  9. See the Star White Gold difference

    Star White Gold

    …a pure reflexive look. White gold is white…or is it? White gold can be compared with gasoline. There are generally three grades of gasoline, regular (really the lowest), mid grade, and premium. In addition, not all gas is created equally… yellow gold made to look white and it worked for a while. What the white gold task force did is come up with the three grade levels of white gold. Nice. But that is not the real problem. How can you tell what the jewelry looks like under …