"Study the science of art. Study the art of science . . . . Realize that everything connects to everything else." - Leonardo da Vinci
(In the world of fluorescent rocks this is not the ideal presentation. This is a relatively long-wave (365nm) UV flashlight on what may be Wollastonite - or - Willemite with Calcite which react somewhat to that wavelength, short wave specialty UV lights would cause it to fluoresce a broader array of more intense colors.