Some rocks crystals are really neat!
Quartz can do some cool stuff.
Clear Calcite is fluorescent with a visible discharge with BluRay!
It lights up red-orange and glows for just a bit after excited.
I showed the orange to 300EVIL and he discovered that it has an "afterlife".
I bet there are others that have not been explored or reported.
James.
BTW Don't you think this should be in LaserBoy Forum > Forum > Hardware > Optics > Color ?
........or at least LaserBoy Forum > Forum > Hardware > Optics > Other ?
Lumia, anyone ?
Fluorescence... Phosphorescence..... ?
Pure visual hallucinations.... ?
Dreams ...... ?
I think it's time for me to go to bed now!
Good Night!