scintillate

give off; "the substance scintillated sparks and flashes"

reflect brightly; "Unquarried marble sparkled on the hillside"

emit or reflect light in a flickering manner; "Does a constellation twinkle more brightly than a single star?"

physics: fluoresce momentarily when struck by a charged particle or high-energy photon; "the phosphor fluoresced"

be lively or brilliant or exhibit virtuosity; "The musical performance sparkled"; "A scintillating conversation"; "his playing coruscated throughout the concert hall"