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Fine Jewelry University Articles matching: “learn about silver”

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Fine Jewelry University (Show All FJU Articles)

  1. Caring for and Cleaning Your Jewelry

    … and anything lower. Hardness is related to the Mohs hardness scale. Diamond is the hardest at 10. Talc is listed as 1 the softest. Pure gold (24 karat) is Mohs 2.5, 14 and 18 karat list at Mohs 3. Platinum list at Mohs 4.33. Sterling silver list at Mohs 2.5. This shows why jewelry metals get scratched by things like hard toothbrushes and dirt (most dirt ranges 4-8 on the Mohs scale). Several different types of settings hold diamonds in the jewelry. From time to time …

  2. Rough lab grown man made diamonds

    Is a Lab Grown Diamond Right for Me?

    … false). We’re here to help cut through some of the rhetoric, so you can make an informed and logical decision about what kind of diamond is right for you. First of all, if you’re not sure what a lab grown or synthetic diamond is, please … diamonds, you can be totally confident that your diamond did not support wars or child labor in any way. You can learn more about conflict diamonds here. The price is another big benefit of lab grown diamonds. With current technology, the…

  3. Single white round pearl on white background

    Gem in the Spotlight: Pearl

    …, with many shades in between. The most valuable pearls are those with a pure, even color, such as white, pink, or silver. Luster: Luster is the intensity of light reflected from a pearl’s surface. Pearls with excellent luster have sharp …with a range of colors that shift and change depending on the lighting and angle. One of the most interesting things about the Hope Pearl is its connection to the famous Hope Diamond. It is believed that the Hope Pearl was once part of a …

  4. Tourmaline jewelry and loose gems

    Gem in the Spotlight: Tourmaline

    …. It quickly became known as an American gem through the efforts of gemologist George F. Kunz. He documented reports about the tourmaline deposits of Maine and California and praised the quality of the stones they produced. Along with opal… can last generations and even become a treasured family heirloom. Why Tourmaline So, now that you know a bit more about this unique and beautiful gem, why would you add it to your collection? Maybe you love seeing a single gem with …

  5. Polarized light diagram

    The Magic of Polarized Light

    …, turn on our TV, or sit down at our computer. But, what 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 … one. Placing a gemstone in between the polarizing filters and rotating it can tell you some interesting things about it. Because singly refractive stones bend light once, they stay dark the whole time. Doubly refractive stones, on the …

  6. Evaluating inherited estate jewelry can be tricky

    How to Value Inherited Jewelry

    … gem prices are not readily available like precious metal prices are to the general public. The gold, platinum, and silver prices are well publicized. The diamond and gem wholesale trade keeps their prices confidential, so there can be a … price, and that is the value that an insurance company expects to see. If you’re interested, you can read more about the different types of appraisals . The replacement value insurance appraisal has the least correlation to the actual …

  7. A group of yellow gold chains of different kinds of a blue background

    Types of Necklace Chains

    …an investment and a means of trade. The Baht is the official currency in Thailand, and it is named after a weight of silver (or gold) of the same name. One baht is approximately fifteen grams. Chains of this style have historically used S … use to wear your pendants, or it can make a statement all by itself. You can wear one everyday and not think twice about it, or it can be your most treasured piece of jewelry. But, what kind of chain is best for you? In this article we’ll…