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Fine Jewelry University (Show All FJU Articles)
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Alternative Metals for Men’s Jewelry
…, or platinum. Its extreme hardness makes it resistant to scratching, but it does have brittle properties. This means that if enough pressure is applied to a tungsten wedding ring, the ring will crack or break instead of bending. This is … out of shape, but it will break if enough shock or pressure is applied to it. Tungsten is a dense metal which is what gives it the high quality feel of gold or platinum and also what led to its use in armor piercing tank ammunition. …
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Gem in the Spotlight: Spinel
… jewelry in the sense that it is only recently getting attention on its own and not just imitating other gems. This means that the prices are still relatively low for a stone of this durability, rarity, and beauty. Spinel can be just as … regularly for the last century, whether it is with an heirloom piece of jewelry or something found at the beach, what many people have believed to be a ruby for years turned out to be spinel. While modern technology and gemological …
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Diamond Brokering
… us. Our brokerage has links to hundreds of diamond importers, wholesalers, dealers and traders. We use high-tech means to reach the most sophisticated companies and low-tech to mine even one person operations all with the goal of finding …hunting system makes the diamond buying experience a positive one. Please feel free to ask any questions and explore what we can do for you. Using a gemologist diamond broker to guide you through your diamond purchase insures the mastery …
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The Birthstones
… that one who observed the reflection of the moon on a turquoise was assured good luck, protection from evil, and great wealth. Colors in turquoise range from sky blue (the most desirable color) to blue green and apple green. The name means “Turkish stone” because the trade route that brought it to Europe used to come via Turkey. Turquoise is associated with Innocence. Present day additions to December’s birthstones are Blue Zircon, Blue Topaz, and Tanzanite. Learn more …
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Gem in the Spotlight: Alexandrite
…’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 … 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 …
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Fake Diamonds: The Great Diamond Attack
… 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 crystal design as nature but is man made. So, a synthetic diamond is the … 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 …
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Gem in the Spotlight: Garnet
…up the night. Noah used a garnet lantern to navigate the Ark at night. The ancient world is full of praise for the carbuncle, 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 group of gemstones. The pyrope, almandine and spessartite are the red – brown to orange sometimes with a tint of …
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How to Tell If a Diamond Is Natural or Lab Grown
…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 grown diamonds, you might want to check out our introduction to lab grown and synthetic … like our DiaTrue. They bombard a diamond with specific types of radiation (nothing harmful to humans) and analyze what the stone outputs. There are certain, tell-tale signs of the various processes used to make lab grown diamonds that …
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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 …