The unmistakable blue of its surface, in its various shades from sky to cobalt blue, draws overwhelming vibrations so intense to reach the nuances of lapis lazuli. It may feature more light or intense parts, with some rare although well-defined veins in white or pink, which intensify the color depth. Blocks of the highest quality are homogeneously blue, without any grey spots or stains to hinder the precious perfection of its emotional visual impact.