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