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Fine Jewelry University Articles matching: “necklace and ring”

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Fine Jewelry University (Show All FJU Articles)

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

    Gem in the Spotlight: Alexandrite

    … component, the stone will appear redder. Alexandrite has a refractive index of 1.746-1.755 with an average birefringence of .010. It has a specific gravity of 3.73 and a Mohs hardness of 8.5. Because of its high hardness, alexandrite is … alexandrite’s tremendous value and rarity, it is recommended to be worn carefully or put in jewelry such as earrings or pendants that are less prone to impacts than rings, for example. Alexandrite isn’t the only stone to display color-…

  2. Group of loose topaz gems and topaz jewelry

    Gem in the Spotlight: Topaz

    … which comes in at 7. Here are some more gemological stats for reference: Refractive index: 1.619 to 1.627 Birefringence: 0.008 to 0.010 Specific gravity: 3.53 Mohs Hardness: 8 Care and Cleaning Even though it’s tough to scratch, you … peach.” Then, a passerby contributes, “You all are nuts, it’s like a rainbow with all the colors at once.” And of course, all of them are right. History and Lore Topaz in its pure form is naturally colorless, clear like a diamond. The …

  3. Three loose garnets red organge and green

    Gem in the Spotlight: Garnet

    …lore surrounding garnets is that it protects the wearer from nightmares, promotes long-lasting love, and prevents hearing difficulties. It was also a charm against the effects of anger and said to be a calming influence. Some promoted it … fever and yellow garnet was the prescription for jaundice. Legend holds garnets guard travelers against perils during the journey. The traveler is also protected against diseases and preserves their honor and health. All these powers …

  4. Lab grown synthetic diamond Type IIa tester with diamond

    How to Tell If a Diamond Is Natural or Lab Grown

    … and GIA (the Gemological Institute of America) have developed even more complex and sophisticated machines for answering this question. They have imaginative names like DiamondCheck, DiamondSure, and DiamondView. Roughly speaking, these …How can I know if my diamond is real? This is a question we get all the time, and it’s not as simple as you might think. First, you have to decide what “real” means. If you are not familiar with lab…, it is easy to identify them because they aren’t diamonds. But, with lab grown diamonds, the chemical structure and properties are all the same as natural diamond, so it becomes much more difficult to differentiate them. Responsible …

  5. Understanding the Diamond Buying Game

    …? You expect a coke to taste like coke everywhere. In business, this is called a commodity. The soda is the same and you can shop based on price or convenience; the product is the same. People like shopping this way. I like it this way. … are not this way. The four C’s of diamonds are not that old, less than 100 years. Before that system every business and diamond seller had their own system. It was impossible to buy a diamond without seeing it first. The GIA four C …

  6. Beautiful iolite jewelry and loose gemstones

    Gem in the Spotlight: Iolite

    … different colors when observed at different angles, especially with polarized light. Pleochroism is caused by differing absorption of light rays in doubly refractive crystals. Thus, no singly refractive gemstone can exhibit pleochroism. … than Emerald or Topaz. Because of this, some extra care should be taken with your iolite jewelry. Try to avoid wearing it in situations where it might be hit against hard objects to keep it free from cracks and small chips. Iolite is a …

  7. Lasers are now used for jewelry repair

    Laser Jewelry Repair

    … of solder flowing into the hinge and destroying its mobility. Antique filigree that is broken can be repaired. Restoring antique platinum jewelry is now possible with Arden Jewelers’ laser. The laser can also help Angelo create very …with a laser. Now Arden jewelers can help our clients take the personal jewelry out of the storage box, fix it, and bring that sentiment back into their life. Jewelry is a very personal item in our lives sometimes monetary worth has …

  8. A diamond with cartoon red blood over the top of it

    What are “Blood Diamonds”?

    … Process Certification System. This system was formally adopted in 2003 and guards against conflict diamonds entering the legitimate diamond supply chain. The diamond industry also adopted a voluntary System of Warranties to assure …Conflict diamonds are diamonds illegally traded to fund conflict in war-torn areas, particularly in central and western Africa. The United Nations (UN) defines conflict diamonds as “…diamonds that originate from areas … conflict. Today, 71 governments have enshrined into their national law the Kimberley Process Certification System, and now more than 99% of the world’s diamonds are from conflict free sources. The flow of conflict diamonds has been …

  9. The 4 Cs of Diamonds

    Diamond Buying Guide: The 4 C’s

    … to get the whitest diamond possible to outshine your friends when you put them side-by-side. It’s all about discovering what’s most important to you. Also, keep in mind that the color of the metal you set your diamond in will have a big …If you understand how diamonds are graded, you have a better chance of finding the right one for you. At Arden Jewelers, our …carat, for example, you can use this C as the starting point for your diamond search. Once you know the carat weight and your budget, you can adjust the quality of the diamond to fit. Unless you work in the jewelry trade, it can be hard …

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