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Fine Jewelry University Articles matching: “Necklace with name on it”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Ruby
… thereby its high cost? Or, is it something deeper? Whatever it is, ruby’s impact on humanity is broad and deep, with arguably the richest history of all gemstones. Gemology of Ruby Rubies are in the corundum gem family along with … is known as “ratnaraj” or “king of precious stones” in the ancient language of Sanskrit. Rubies get their name from the Latin word “ruber,” which means red. This is also where rubellite tourmaline (the red variety of tourmaline) gets its…
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Gem in the Spotlight: Iolite
… be near the top of the list. Iolite’s color range of blue, blue-violet, and violet competes for public attention with sapphire, tanzanite, and amethyst. They may have name recognition, but iolite has a rich, unique color and great gem …optical phenomenon in which a substance appears to be 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…
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Gem in the Spotlight: Topaz
… crazy, it’s like a beautiful 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…Even though its true identity is now known, the large imposter still sits in the Portuguese crown jewels today. The name “Topaz” comes from the old Greek name “Topazios” for an island in Foul Bay, Egypt (now called Zabargad). Of course, …
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Gem in the Spotlight: Sapphire
… set in the Bishop’s ring as a symbol of unity between the priest, the sky and heaven. Sapphire has been associated with divine favor. The Buddhists believed that the sapphire favored devotion and spiritual enlightenment. It is the … Treasury. The famous sapphire remains there, decorating the Imperial Crown ordered by Queen Victoria. Deriving its name from the Greek word for blue, sapphire used to refer to any blue stone. By the late 1800’s, the sapphire and ruby …
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Gem in the Spotlight: Peridot
Peridot is a lovely yellow-green gem with a rich history. Legend has it that Peridot was the favorite gemstone of Cleopatra. The ancients called it the “gem … anniversary gemstone for the 16th year of marriage. Peridot’s unique yellow-green color is very attractive. The name “Peridot” is simply a French word derived from the Arabic for green. Peridot’s color ranges from yellow-green to a warm …-a-dot” although you will find many, even in the jewelry trade, who use the mispronunciation on a daily basis. The name “Peridot” is simply a French word derived from the Arabic for green It was believed that Peridot could chase away evil…
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Gem in the Spotlight: Alexandrite
…candle, and firelight, alexandrite appears purplish-red. This is because of how the trace element chromium interacts with alexandrite’s crystal structure. It absorbs most wavelengths of light very well, only transmitting green and red … much stronger red/orange 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 …
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Gem in the Spotlight: Morganite
… and complexions. It is entirely appropriate for everyday wear, and it can be worn as rings, pendants, earrings, necklaces, bracelets, pins, brooches, or whatever else you can think of. Morganite is considered very affordable, especially … tree. It is a beryl gem which puts it in the same family as emerald and aquamarine. Because of its association with emerald it is sometimes called “Pink Emerald”. Other names for Morganite are “Pink Beryl”, “Rose Beryl”, and “Cesian (or …
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Star White Gold
… gold is bright. White gold has a pure reflexive look. White gold is white…or is it? White gold can be compared with gasoline. There are generally three grades of gasoline, regular (really the lowest), mid grade, and premium. In … that when white gold is made, it can be yellowish to light yellow. When white gold rings are new they are coated with a white metal called rhodium. Rhodium is a metal very similar to platinum and rhodium shares many of the properties of …
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Measuring Gold Weight
…weights. The troy system historically was used for measuring the weight of drugs, precious metals and gemstones. The name comes from the French city of Troyes. The noble metals (gold, silver and platinum) all use the troy system. A troy …The old riddle goes: what weighs more a pound of feathers or a pound of gold? Some say gold because it is heavier. Others say they are both a pound so they weigh the same. Both are wrong. How can this be? Tradition. …gold is not the same as the ordinary ounce (really called avoirdupois ounce). The best way to understand this is to convert them both to a uniform system. A gram or gramme is a standard metric unit of mass. An avoirdupois ounce converts…
