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but that material really can't hold a candle to alexandrite
It's overall a super cool synthetic very rarely seen in the gem world
Since this was done by accident we don't know if we'll have more
Colorless ZnS is grown for use for optics
changing color between Cool LEDs (orange)
Pure Nd:YAG Calibrated Gems, Violet Laser Garnet Loose Stones high dispersion but that material really can'tThese are violet Nd laser garnets (Nd: YAG) cut into various calibrated shapes: rounds, hexagons, and squares. These are violet in normal light and turn pure colorless under fluorescent illumination (like a CFL bulb). It also shifts from violet to magenta to blueberry purple depending on the color temperature of LED lighting, though this is less pronounced. For fancy designs and fantasy cut Nd: YAG stones, click here! Note that the smaller squares can
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