Opaline may refer to: Opaline, a group of protists Opaline, an album by Dishwalla Opaline glass, decorative French glass Opaline silica: an amorphous or cryptocrystalline form of hydrated silica SiO2·nH2O (Opal) Opaline, a colour mutation of the budgerigar, Melopsittacus undulatus This disambiguation page lists articles associated with the title Opaline.If an internal link led you here, you may wish to change the link to point directly to the intended article.