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Fine Jewelry University Articles matching: “Green gem”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Tourmaline
…: is red, pinkish red, orangy red, or pink tourmaline. Indicolite: is dark blue, dark violetish blue, or dark greenish blue tourmaline. Paraíba: is a copper colored blue, intense violetish blue, or greenish blue tourmaline from Paraíba, …chrome tourmaline’s color actually comes from vanadium. Watermelon: This variant of tourmaline has a pink center and green edges that resembles a watermelon. Crystals of this type are often cut in slices to display this unique property. …
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Gem in the Spotlight: Aquamarine
…very pale blue to a deep blue, the finest specimens being the deepest in color. Most aquamarine stones have a subtle green component, and in some markets, a deep greenish blue is the most desirable. Brazil is the most prolific supplier of … See More Aquamarine » Aquamarine is more than March’s birthstone. Its beauty is in its purity of color. The blue green hue is not overpowering but an understated appeal. It has an elegance and subtlety that is lost with more vibrant …
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The History of Diamond Cuts
… pyramids stuck together at the base. Naturally, the first attempts to enhance diamonds were to polish the natural gem. The “point cut” is the polishing of a natural octahedral diamond. Interesting fact #1 about diamond cuts: cutting a … cut and polished in one step. Since only diamond can cut diamond, the diamond cutter must take care to polish the gem at the same time. That is one of the reasons diamonds are expensive. Diamond cutters are highly trained and need a lot…
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Gem in the Spotlight: Emerald
… are a member of the beryl mineral family (along with morganite and aquamarine) and are valued for their rich green color. The intensity of an emerald’s hue depends on the presence of chromium and vanadium in the crystal structure. Emerald… a symbol of the reproductive forces of nature. Modern science has shown us that the human eye is more sensitive to green than to any other color thereby making it easier on the eyes. Pliny said that emeralds were the only gemstones that …
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Gem in the Spotlight: Quartz
…is “Alaska Diamond” for rock crystal alongside “Herkimer Diamonds” (see below). In recent times, the term “Green Amethyst,” which was commonly used for Prasiolite, has come under fire. It even attracted the attention of the US Federal … gems can be stunningly beautiful and intricate. You can also see why Prasiolite has previously been referred to as “Green Amethyst.” Under the surface, all of these fancy names are just different ways of saying “Quartz!” Crystal Name …
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The Birthstones
… wisdom is “more precious than rubies”. Rubies and sapphires are the same mineral, corundum. Ruby is red and any other color is called sapphire. Learn more about Ruby August’s Birthstone: Peridot and Spinel 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 August’s birthstone the “gem of the sun”. It was believed that peridot could chase away evil spirits and dissolve curses but …
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Gem in the Spotlight: Topaz
… shades is available from light Sky Blue to dark London Blue. Topaz is also found in less commonly known colors like green, pink, and purple. Imperial Topaz is by far the most valuable variety, while colorless topaz is often the least … 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 …
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Laser Jewelry Repair
…of Radiation” which produces a sharp, focused light beam. The benefit of the laser is that very little heat is generated at the weld point. This means the heat will not damage the surrounding area. The jewelry’s intricate design and gems which are heat sensitive are safe from the heat with a laser. What type of metals can be laser welded? All the traditional metals can be laser welded, including base metals, karat gold, sterling silver, palladium and platinum, offering…
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Understanding the Diamond Buying Game
… report. Does this sound like a commodity? The nature of diamonds is that every diamond is unique. Diamond reports don’t tell the whole story. It takes some training and experience to accurately assess the value of a diamond and gemological equipment to check the grades. I see internet diamond buyers all the time not getting what they think they are getting. The surest way to get ripped off when buying a diamond is to think of it as a commodity. Hopefully you know you …
