"blue dye" . . . . . "Cobalt blue" . . . "cobalt blue" . "Light cobalt blue" . . "blue" . . "cobalt aluminate" . "0047AB" . . . "Cobalt Blue" . . . . "Parrish blue" . "cobalt pigment" . "cobalt-blue" . "cobalt" . . . "cobalt oxide" . . "cobalt(II) aluminate" . . . . . . . "Cobalt blue" . . . "Cobalt" . . "Thenard's Blue" . . . . . "cobalts" . . .