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Fine Jewelry University Articles matching: “Gold 750 AG”

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Fine Jewelry University (Show All FJU Articles)

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

    Gold, just the word brings to mind value, rarity, wealth, beauty and jewelry. But what is gold? Yes the scientists tell … 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 engagement rings… to another. Gold is an expression of love. Gold Purity 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 …

  2. The Difference Between White Gold and Platinum

    The first difference between white gold and platinum is the most basic and is the foundation of all the other differences. White gold and platinum are … is itself a white metal. White gold and platinum have their own properties that make them unique. How is white gold made? White gold is an alloy of gold and some white metals such as silver, nickel or palladium. The white color is … a careful choice of the alloying metals, which bleach the deep yellow of pure gold. The amount of alloy mixed with gold is called its karat. The key to understanding gold karat is the karat value over 24. An example is a 14-karat gold

  3. See the Star White Gold difference

    Star White Gold

    How white is your white gold? Style, fashion, and beauty are all reasons to choose white gold. White gold compliments diamonds. White gold is …, not all gas is created equally. We have all had the experience of poor performance due to poorly made gas. White gold also has three grades. Grade 3 is off white, grade 2 is standard, and grade 1 is premium. This means that when white … shares many of the properties of platinum including its white color. The rhodium plating is used to make the white gold look whiter. The natural color of the white gold could actually be a light yellow color. The rhodium is very white …

  4. Measuring Gold Weight

    The old riddle goes: what weighs more a pound of feathers or a pound of gold? Some say gold because it is heavier. Others say they are both a pound so they weigh the same. Both are wrong. How …Tradition. Gold is not weighed in the ordinary weights. Gold is weighed in the troy measurement system. One ounce of gold is not the same as the ordinary ounce (really called avoirdupois ounce). The best way to understand this is to …. An avoirdupois ounce converts to 28.34 grams approximately. The troy ounce is 31.1 approximately. You say, “Aha! Gold weigh more, so a pound of gold weighs more than a pound of feathers.” Unfortunately there is one more piece of the …

  5. Nickel in jewelry can cause allergic reactions

    What to Do When Your Ring Irritates Your Skin

    … or green when they wear certain jewelry. One of the most common metal allergies is Nickel which is added to pure gold in many white gold alloys. The Nickel is what makes the gold white, but it can also cause an allergic reaction. Some … the exact cause and solution of an allergic reaction is not as simple as it may seem. Jewelry, especially white gold, is often plated to give it a brighter finish. White gold alloys are often plated with Rhodium which is a member of the …

  6. Tanzanite is a beautiful blue purple gemstone that is very rare

    Gem in the Spotlight: Tanzanite

    …who talked about his blue-violet crystal with Manuel de Souza. Then, in 1968, it was Henry Platt who named the stone “Tanzanite.” It was announced in that same year by Tiffany & Co. In 2002, the American Gem Trade Association (AGTA) added Tanzanite to the list of traditional birthstones for the month of December. Tanzanite is found in only one place on earth at this time. Mount Kilimanjaro in Tanzania, East Africa is the only place where the unique geology needed …

  7. Blue Zircon loose gems and jewelry

    Gem in the Spotlight: Blue Zircon

    … color. But, zircon can be almost any color you can imagine including red, yellow, orange, brown, green, champagne, golden, saffron, and colorless. Zircon colors are pure and have that distinctive fire that sets it apart from other gems. … Starlite is rarely natural, and is almost always heat treated. Of course, the blue form of Zircon is also called, imaginatively, Blue Zircon. Blue zircon was a specific favorite in Victorian times, when fine gems were often featured in…

  8. Learn Secret Diamond Buying Skills From a Professional Diamond Buyer

    …is the look of your love when she sees that shining diamond ring on her finger for the first time. If there are any magic moments in life, that is one. Nothing expresses love and commitment like a diamond. This rare natural stone’s … price, just the basis to determine the price. In the final analysis, the price of a diamond is whatever two people agree it is. The easiest starting place for diamond value is carat. All carat describes is how much a diamond weighs. …

  9. Polarized light diagram

    The Magic of Polarized Light

    … or only capture the reflection. Modern 3D movies: Unlike old school red and blue 3D movies, modern 3D uses two images along with a pair of glasses that have polarizing filters for lenses. This tricks your brain into thinking you are …help identify doubly refractive stones. When using a refractometer, a circular polarizing filter is fitted over the magnifier. When twisted, if the stone is doubly refractive, the refractive index line will jump from one number to the …