The more inclusions, the less valuable the gemstone. Since many spinel gems are almost devoid of flaws and clean, most of them found in the market are untreated. After 114 years, the Official Birthstone List gets a new addition. Unlike the other blue … The spinel gemstone is clear, transparent and flawless. There is now a known treatment for blue spinel to enhance color called cobalt diffusion where they impregnate the … However, blue topaz and tanzanite are also modern options. The rarest color of an already rare stone. While all Spinels are increasing in popularity, it is the blue variety that is starting to attract attention of savvy gemstone buyers. The more affordable gemstones are often those with paler colors, like lavender. Two strongest are at 686, 675, plus 635, 585, 555, and 508. Blue: iron spectrum has lines in blue especially at 458, plus narrow line at 478 and weak lines at 443 and 433. FOR THE FIRST TIME you can see the legendary Vietnam Blue Spinel 13.28 carats! Now both spinel … For centuries, spinel … Blue Spinel is a very special gemstone because it is one of the few that occur naturally. Spinel was a late addition to the modern birthstone lists in 2016. The name “spinel” comes from the Latin word spina, which means thorn, in reference to the shape of spinel crystals. Before then, peridot served as the August birthstone. Spinel has become an official stone for August, alongside Peridot -- possibly making the latter green with envy. Small inclusions may also be seen after adequate magnification only. Turquoise and lapis lazuli are the traditional birthstones. Perhaps the makers of these lists wanted to give people born in August a wider variety of color choices. Since blue is such a popular color for gemstones, any of these choices would look fabulous, but a well-cut blue … You may also find spinel in black, violet blue, greenish blue, grayish, pale pink, mauve, yellow, or brown. When shopping for spinel, a high-quality gemstone should have no visible inclusions. Blue zircon is the most popular modern December birthstone. Nigerian blue gahnite also has bands at 700 and 570 like those seen in spinel. Spinel Birthstone Meaning & History. You may find all over the internet where they say the sapphire is the color for the birthstones but the resemblance of the lab created blue spinel to the blue sapphire makes it a cheap and a top alternative to sapphire for the September birthstone. In July 2016, spinel was named a new birthstone for the month of August by the American Gem Trade Association and the Jewelers of America. Spinel … Referred to by some as a gemological unicorn. The Synthetic Blue Spinel is also used as a birthstone for the month of September. Spinel is a very hard and durable … This second August birthstone comes in a wealth of colors: intense red, vibrant pink, orange, purple, violet, blue and bluish green. (Note: This iron spectrum is distinctive vs. the cobalt blue of synthetic spinel.)
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