Glow in the Dark Phosphorescent GAGG Lab Garnet Pendants, High Glow Lumogarnet Type:Pendant with Round 'Dragon Eye' Cut avg. 10ct Stone 10mm Here is a video on

Here is a video on the topic by Justin K Prim

Cut stones may have a green cast in direct lighting

but they all stay in the blue or slightly purplish blue range

There has even been a fusion reactor designed around it

Glow in the Dark Phosphorescent GAGG Lab Garnet Pendants, High Glow Lumogarnet Type:Pendant with Round 'Dragon Eye' Cut avg. 10ct Stone 10mm Here is a video onThese 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