typically by soaking in a sugar solution and then exposing it to sulfuric acid which carbonizes the sugar
It's overall a super cool synthetic very rarely seen in the gem world
The tops are also very well shaped for cutting dice
Lumenite™ is a monocrystal of strontium aluminate
It was discovered that trace rare earths - particularly europium - are responsible for this wonderful glow
Weird Yb:YAG Garnet Facet Rough, Experiment Gone Wrong Type:Brown, 7.7g typically by soaking in aThis 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!