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Fine Jewelry University Articles matching: “Greenish marble type of stone”
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Fine Jewelry University (Show All FJU Articles)
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How to Tell If a Diamond Is Natural or Lab Grown
… 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 show up as … upfront about their products. Some even laser inscribe all of their diamonds to clearly mark them as lab grown. The Type IIa Test That said, we would still like to be able to tell if a diamond is natural or lab grown, whether it is …
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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, …Tourmaline becomes electrically charged when under mechanical stress (squeezed or impacted). This effect allowed the stone to be used in early sonar systems in the First World War as well as in extremely sensitive pressure gauges in …
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Gem in the Spotlight: Quartz
… different ways of saying “Quartz!” Crystal Name Color Amethyst Purple Citrine Yellow to reddish orange to brown, greenish yellow Prasiolite Green (often mistakenly referred to as Green Amethyst) Rock Quartz Clear Rose Quartz Various shades … at the title and knew). Quartz is one of the most common minerals on earth. Many quartz varieties are cut into gemstones, but some varieties are very rare. Some are ordinary like rock quartz, others are exotic like Drusy Quartz. Some …
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Anatomy of a Ring
… The gallery of a ring is a somewhat ambiguous term that refers to the underside of the ring beneath the center stone. There is often a design on the top part of the ring that is lifted up above the finger. In order to maintain the …next to each other. The constant friction with another ring can actually wear through the gallery leaving the center stone at risk of calling out. This is why we typically recommend that you have your rings soldered together if you plan to…
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The Birthstones
…Aquamarine Originating its name from the Latin “aqua marina” meaning “sea water”, the aquamarine is a light blue to greenish blue beryl, most valuable when it’s a shade of darker blue. Sailors often wore amulets of aquamarine to give them …January’s Birthstone: Garnet January babies born in the midst of cold, white (valley fog) and at times stark surroundings are rewarded … long-lasting love, and prevents hearing difficulties. Learn more about Garnet and Tasvorite Garnet February’s Birthstone: Amethyst Amethyst, transparent purple quartz, is the most important quartz variety used in jewelry. Purple has long …
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Gem in the Spotlight: Ruby
…over 40 years earlier in 1917. Rubies are formed under extreme pressure and temperature in metamorphic rocks such as marble, gneiss, and schist. The most famous source of rubies is Myanmar (formerly known as Burma), where rubies were first …For much of human history, rubies have been the most prized gemstone. But, what is it about this red gem that has captivated our hearts and minds for so long? Is it ruby’s color? It’s … 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 sapphires. Corundum is an extremely durable form of…
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Gem in the Spotlight: Aquamarine
… 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 aquamarine where it is often found in shades of blue-… to banishing fears and phobias. Aquamarine is a universal symbol of youth, hope, and health. In ancient times, the stone was said to aid seafarers. Sailors often wore amulets of aquamarine to give them courage and tame the ocean waves. …
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Gem in the Spotlight: Alexandrite
… the light source the stone will reflect more of the accent colors of light. Since fluorescent light has a stronger greenish-blue component, the stone appears greener. Under candlelight, which has a much stronger red/orange component, the … 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 species called …
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How to Sell Your Jewelry
…, many potential buyers will not find your offering. The decision is best made with research on how your particular type of jewelry was sold. E-mail and ask other sellers if they got the price they wanted and how the selling experience …are highly trained in gems and jewelry. Jewelry brokers charge a percentage ranging from 10% to 50% depending on the type of service provided. Brokers can assist with a piece going to a top auction house or find a local dealer willing to …
