“Mythological figure whose ill-fated trajectory is suggested by 19-, 34-, 41- and 56-Across”

"No ___, no glory!"

Floral shade

Diamonds, informally

"A likely story"

Puccini's "___ Butterfly"

D.C. ballplayer

It is "an ever-fixed mark that looks on tempests and is never shaken," per Shakespeare

Trample

Belgian resort renowned for its mineral springs