Glow in the Dark Phosphorescent GAGG Lab Garnet Pendants, High Glow Lumogarnet Type:Pendant with Round 'Dragon Eye' Cut avg. 10ct Stone 10mm Titanium-doped sapphire is one of

Titanium-doped sapphire is one of the most powerful and widely-used materials in solid state lasers

There has even been a fusion reactor designed around it

Cut stones may have a green cast in direct lighting

Tunduru mix: this is old mixed gem gravel from the Tunduru deposit

This was custom grown for us with a formula we developed from advanced phosphor research--similar material has probably only ever been grown as powders

Glow in the Dark Phosphorescent GAGG Lab Garnet Pendants, High Glow Lumogarnet Type:Pendant with Round 'Dragon Eye' Cut avg. 10ct Stone 10mm Titanium-doped sapphire is one ofThese are sterling silver pendants set with faceted phosphorescent GAGG Lumogarnets. These garnets will glow in the dark after exposure to bright light, even normal white LEDs like a phone flashlight (though blue or UV will charge them better). The glow is quite bright at first, then fades to a lower glow that is longer lasting, easily visible in a dark room for several minutes after charging! GAGG is a lab created garnet which is increasingly used in