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Fine Jewelry University Articles matching: “London blue r”
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Fine Jewelry University
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How Are Lab Grown Diamonds Made?
… gems. This is because even the smallest presence of nitrogen or boron during the process can result in a yellow or blue color respectively. Both HPHT and CVD diamonds tend to exhibit strong and unusual fluorescence characteristics when …The dream of making a beautiful and valuable diamond from simple carbon has long captivated the imagination of scientists … alike. Just like the alchemists of old who sought to turn lead into gold, many have tried to achieve this impressive feat. We have only recently been able to produce gem quality, lab grown diamonds that are large enough to be used in …
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Gem in the Spotlight: Opal
…, you will get different colors. Opals can display just about every color of the rainbow, but hues of green and blue are the most common. Typically the higher end opals have a darker body color, and a wide range of colors. Red carries … orange body color, many of these stones have little to no play of color. The best stones have strong greens and blues that flash through the orange body color. Boulder Opal: Boulder opals are gem opal material that still incorporates …
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Gem in the Spotlight: Pearl
…French Polynesia. They are known for their dark, rich colors, which range from dark green and gray to deep shades of blue and black. Tahitian pearls are generally large with an average size of 9mm to 18mm, and they commonly have baroque …Pearls have captured the imagination and adoration of people from diverse backgrounds throughout history. They are both … and infinitely complex. Let’s explore the science, history, and lore surrounding this most unique gem. How Are Pearls Formed? Pearls are formed when a foreign object enters the shell of a mollusk and irritates the soft mantle tissue …
