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When the SDI was finally wound down there was a lot of this stuff lying around which was surplused off and often made it into the hands of faceters
1x CutKit™2
in industry Czochralski-pulled cobalt spinel can be grown to ultra high purities and used in lasers as a Q switch
5) and greater brilliance and fire than a diamond
These were grown for use in high end optics and as a substrate to grow bespoke computer chips on
Fantasy Cut Laser Alexandrite Stones, Lab Created Red Glow Alexandrite Cut and Size:Oval, 17.5x13.5mm, ~14.2ct When the SDI was finallyThese laser alexandrites are fantasy cut with some concave facets. They also have bubble inclusions typical of some lab grown alexandrite the concave facets make them much less visible. These are genuine, lab created alexandrite gems faceted from crystals grown for lasers. Note the camera can't capture the true color! There is a red glow to these stones thanks to their strong fluorescence but it doesn't dominate like it does in the photos. These gems
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