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Fine Jewelry University Articles matching: “What does 10k spring mean”

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Fine Jewelry University (Show All FJU Articles)

  1. Collection of many different styles of jewelry clasps laid out together

    Types of Jewelry Clasps

    … production of jewelry, and the demand for simpler, more affordable clasps grew. This led to the development of the spring ring clasp, which is still widely used today. The spring ring clasp features a small, spring-loaded mechanism that … jewelry. Other types of jewelry clasps that emerged in the 20th century include the lobster clasp, which features a spring-loaded mechanism that opens and closes by pressing a small lever, and the toggle clasp, which consists of a bar that…

  2. Unique inclusion in a lab grown diamond

    What Are Lab Grown Diamonds?

    …vocabulary. Synthetic. Understanding this term correctly is the key that unlocks this entire question. Synthetic can mean artificial or even fake. Synthetic can also mean man-made, copied, unreal, or even imitation. But, in this context, … gems that are often, incorrectly, described as synthetic diamonds. This misrepresentation has seriously confused what the term “synthetic” means, and it’s why most producers of man-made diamonds prefer the term “lab grown” over “…

  3. 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 us gold is an element with the chemical symbol Au. We know it is the heraldic metal… 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 forms. Basic to understand the uses of …% 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 which is sometimes called 999 gold. Solid …

  4. Group of loose amethyst gems emerald cut trillion and oval

    Gem in the Spotlight: Amethyst

    …it a durable 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. Amethyst has the same refractive index as other varieties of quartz at 1…of amethyst dates all the way back to ancient Greek mythology. The word “amethystos,” is derived from the Greek word meaning “not drunken.” It is said that amethyst was created when Dionysus, the god of wine, was angered by an insult from…

  5. The 4 Cs of Diamonds

    Diamond Buying Guide: The 4 C’s

    …, you can adjust the quality of the diamond to fit. Unless you work in the jewelry trade, it can be hard to know what size you want. The photo above shows some common diamond carat weights and how they look in comparison to each other. … looking for the absence of color or transparency (except fancy color). The color grading scale starts with D meaning totally colorless and moves down the alphabet subtly increasing in body color. As you can see from the picture, the …

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

    Gem in the Spotlight: Alexandrite

    … has been 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 …’s crystal structure. It absorbs most wavelengths 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 …

  7. Beautiful iolite jewelry and loose gemstones

    Gem in the Spotlight: Iolite

    … and deeper than many tanzanites. Iolite’s name comes from its violet color. It is from the Greek word “ios” meaning violet. Unlike many other popular gems, iolite cannot be heat treated to enhance its color. The color you see is the … color of the stone when it was first discovered. Coming in at 7 to 7.5 on the Mohs hardness scale, iolite is a somewhat soft gem. It is comparable to quartz (Amethyst, Citrine, etc), a little harder than Opal, and softer than Emerald or …

  8. Nickel in jewelry can cause allergic reactions

    What to Do When Your Ring Irritates Your Skin

    …. Don’t worry. 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 … can dramatically affect our finger sizes. So, if the ring has never caused irritation in the past, and suddenly it does, it’s possible that a change in diet (eating more salty foods for instance) has caused your finger to swell slightly…

  9. Single white round pearl on white background

    Gem in the Spotlight: Pearl

    … accents in fine jewelry with many of them set together to create intricate, textured patterns. See More on Etsy › What Makes a Pearl Valuable? There are several factors that can effect the value of a pearl. Understanding these factors … a pearl or strand of pearls. Care and Cleaning of Pearls Unlike most gems, pearls are an organic creation which means that they require a little extra care to continue looking their best. With a Mohs hardness of 2.5, pearls are among the…