Vivid Green Laser Garnet Facet Rough, Vanadium YAG scintillator I sorted them out by

I sorted them out by size and color

Unfortunately this stone chipped on me at the end

Titanium sapphire is a very unusual variety of sapphire

This is a classic laser gem

It used to be widely used as a scintillator for detecting radiation but it has largely been replaced by LuAG and GAGG

Vivid Green Laser Garnet Facet Rough, Vanadium YAG scintillator I sorted them out byThese are vivid green lab created Vanadium YAG (Yttrium Aluminum Garnet) facet rough. This is one of the best laser gems, vanadium YAG. It is used as a Q switch adding a V: YAG crystal to some lasers turns them from a weak continuous firing laser to a powerful pulsed laser that concentrates all of its energy into brief bursts of power. The color of this stuff is the most vivid green green color I've seen in any gemstone. It's easily one of my favorite