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These are lab created laser rubies grown in the Alexandrov lab in the Soviet Union back in the 1980s
but this one went wrong in the process
The bubbles tend to correlate with the highest afterglow
but these glass laser rods are an exception
Fortunately for us these uses require very exacting standards and sometimes crystals are rejected
Weird Yb:YAG Garnet Facet Rough, Experiment Gone Wrong crystal These are lab created laserThis is facet rough of weird mutated Yb: YAG. We tried to have it grown, it usually comes out a vivid blue green, but this one went wrong in the process. It has a combination of browns, yellows, greens, and occasional blue, giving more of a pondwater set of colors instead of the typical deep aqua blue you get from Yb: YAG. Since this was done by accident we don't know if we'll have more, but the colors are neat!
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