Azure topic

In heraldry, azure is the tincture with the colour blue, and belongs to the class of tinctures called "colours". In engraving, it is sometimes depicted as a region of horizontal lines or else marked with either az. or b. as an abbreviation. The term azure derives from the Persian لاژورد lazhward, which was the name of a place known for its deposits of the deep blue stone now called lapis lazuli (stone of lazhward). The word was adopted into Old French by the twelfth century, from which the... full article at wikipedia