Scintillate

verb
physics: fluoresce momentarily when struck by a charged particle or high-energy photon
“the phosphor fluoresced”
verb
emit or reflect light in a flickering manner
“Does a constellation twinkle more brightly than a single star?”
Similar: twinkle, winkle
verb
be lively or brilliant or exhibit virtuosity
“The musical performance sparkled”
Similar: sparkle, coruscate
verb
reflect brightly
“Unquarried marble sparkled on the hillside”
Similar: sparkle, coruscate