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Fine Jewelry University Articles matching: “What is ft 18kt necklace mean”

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Fine Jewelry University (Show All FJU Articles)

  1. Tourmaline jewelry and loose gems

    Gem in the Spotlight: Tourmaline

    … in submarines. History and Lore of Tourmaline The name tourmaline comes from the Singhalese word turamali, which means “mixed gems” owing to the fact that the gem can look like many others. Tourmaline was first discovered in 1554 in …, right here in California . Maybe you just appreciate the vibrant colors and rich history of this very special gem. Whatever your reason, you can’t go wrong with a beautiful piece of tourmaline jewelry, and the gemologists here at Arden …

  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. See the Star White Gold difference

    Star White Gold

    … 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 gold is made, it can be yellowish to light yellow. When white gold rings are new they are coated … with no real solution…now we have a solution! Why are white gold consumers dissatisfied? Because they don’t know what the true color of the jewelry is when they buy it. I have seen a yellow gold ring heavily plated to look white. This …

  4. Three loose garnets red organge and green

    Gem in the Spotlight: Garnet

    …, the glowing red gemstone we now know as garnet. Early scientists named garnet from the Latin granatus, which means ‘seedlike’ because garnet crystals in rock reminded them of the shape and color of pomegranate seeds. Garnet is really a …Garnet’s rich history and varieties demonstrate garnets are more than the little red gem. Garnets allow for great personal diversity … orange, brown to cinnamon, pinks to greens, and of course 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 …

  5. Fake Diamonds: The Great Diamond Attack

    … would try to find out who was the real person. Technology has created 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 … uses of this man made gem are in the pipeline. The Big Bad Synthetic In the gem world we use words with particular meanings. Synthetic is one of those words. Synthetic, in the gem world, means made of the same chemicals (elements) and …

  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 … 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 people are allergic to silver and we have even …

  9. Caring for and Cleaning Your Jewelry

    … in a sink, take the precaution of plugging the drain and using a small screen strainer. How to Care for Jewelry What is the hardest natural substance on earth? Diamonds. Legend says diamonds are indestructible. Diamonds are remarkable … from touching one another when you wear or store them. Diamonds are crystals that grow with a cleavage plane. This means a sharp blow on a vulnerable spot can chip or break the stone. This does not mean that diamonds are not very durable…