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Fine Jewelry University Articles matching: “Runy loose gemstone”
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Gem in the Spotlight: Tourmaline
…. Care and Cleaning of Tourmaline Tourmaline makes a great gem in a ring for occasional wear or a pendant/earrings for daily wear. Because it isn’t exceptionally hard (Mohs hardness of 7-7.5), it should be stored away from other gemstones that could potentially damage it. Tourmaline should not be put into an ultrasonic cleaner or steam cleaned, and should only be cleaned with warm, soapy water. With proper care, a piece of tourmaline jewelry can last generations and even …
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Gem in the Spotlight: Jade
Jade has one of the richest heritages of all gemstones. People have been using jade from as early as 6,000 BC, and it has been an incredibly important part of Asian, Central American, and North American history ever since. But, what is jade, and what has given it such a prominent place …
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Synthetic Gems: The Whole Story
Synthetic rubies, emeralds, sapphires, diamonds and more are everywhere. Man made gems come in many forms: every thing from simple glass to high tech chemical tongue twister like gadolinium gallium garnet (also called GGG) and the modern diamond simulant moissanite. Synthetic gems are not bad, fakes, or the curse of a modern society. The more you know about them, the better you can understand their place in our society and in the jewelry world.
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Types of Necklace Chains
…family of flat style chains, however they can be a bit more flexible than some other flat chains. They are made by interlocking and weaving links into a wide flat shape. The bismark can be made wide or thin, and it can have a tight or loose weave. These variations give bismark a wide variety of looks. Since it is a flat style of chain, pendants do not usually hang well, and theses chains are often worn on their own. PROS Bold Look – Bismark chains are usually eye …
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How to Tell If a Diamond Is Natural or Lab Grown
… IIa test is only an indicator for the gemologist to use. There are lab grown diamonds that are not Type IIa, and there are natural diamonds that are Type IIa, so it’s not a 100% conclusive test. Also, a diamond has to be completely loose (unmounted) to perform the test. Photoluminescence Spectroscopy and UV Radiation Going beyond the Type IIa test, more advanced equipment exists that uses spectroscopic techniques to analyze gems. One such machine is the DiaTrue …
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Gem in the Spotlight: Topaz
… the coating can be scratched and the gem ruined very easily. Mystic topaz comes in virtually any color from sunset orange, to violet, to green. These coatings can allow topaz to be any color of your preference. Topaz itself is a hard gemstone with a Mohs hardness of 8. Mohs hardness is a standardized metric of how difficult it is to scratch something. For reference, topaz is a bit softer than diamond which is a 10 and corundum (sapphire/ruby) which is a 9 on the scale. It …
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Gem in the Spotlight: Spinel
…, but now the entire color pallet has been opened up. Spinel is arguably the most overlooked and underappreciated gemstone of all time. Spinel was first made in a lab over 100 years ago when scientists who were trying to synthesize blue … found in. Because of how easily it can be created in a lab, synthetic spinel has been used to imitate many other gemstones (ruby, sapphire, tourmaline, zircon, etc.). In fact, the ubiquity of synthetic spinel may be part of the reason why …
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Gem in the Spotlight: Sapphire
… her spouse had been unfaithful. Sapphire refused to shine when worn by the wicked or impure. Known as the celestial gemstone, the sapphire has been treasured for thousands of years. Known as the celestial gemstone, the sapphire has been …, which measures 10 on the Mohs scale, sapphire and ruby (9 on the Mohs scale) are the toughest and most durable gemstones. This toughness makes the sapphire a long lasting piece of jewelry as well as a useful industrial tool. One last legend…
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Gem in the Spotlight: Tanzanite
Beauty and rarity are two wonderful traits in a gemstone. Tanzanite has them both. In fact, it is estimated that Tanzanite is 1,000 times rarer than diamond. But, what makes… that isn’t heated and is still pretty enough for jewelry displays trichroism. Trichroism is an effect that causes gemstones to display different colors when viewed at different angles. Tanzanite in its raw form has three colors: blue, purple…has been heated by using a dichroscope. This is a tool that gemologists use to separate the pleochroic colors that a gemstone has. If there is a strong green component at any angle, then it likely has not been heated. The main factors that …
