The azulejo or blue & white ceramic tiles of Portugal are famous & plentiful. Blue, especially of the royal, cobalt, ultramarine variety, is dominant color of the azulejo. Historically an expensive color to manufacture, since the semi-precious stone lapis lazuli was one ingredient, blue was used sparingly by artists.
The azulejo or blue & white ceramic tiles of Portugal are famous & plentiful. Blue, especially of the royal, cobalt, ultramarine variety, is dominant color of the azulejo. Historically an expensive color to manufacture, since the semi-precious stone lapis lazuli was one ingredient, blue was used sparingly by artists.
