Pure Nd:YAG Calibrated Gems, Violet Laser Garnet Loose Stones high dispersion but that material really can't

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

Blue Spinel is typically colored by cobalt

Padparadscha-colored titanium laser sapphire: This material is grown for use in powerful infrared lasers and has a beautiful orange-pink color that resembles natural padparadscha sapphires

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