consisting of or resembling mother-of-pearl
having a play of lustrous rainbow-like colors; "an iridescent oil slick"; "nacreous (or pearlescent) clouds looking like mother-of-pearl"; "a milky opalescent (or opaline) luster"
Resembling mother-of-pearl; lustrous. Usually used to decribe the appearance of pearlscale goldfish.
With a dull mother-of-pearl shine