The characteristic original color, which varies from gray blue to black, of the Pierre Blue sedimentary stone inspired Ceramica Euro for its new collection of Nordstone porcelain stoneware tiles. Capable of giving character to the space, despite its apparently neutral appearance, the series offers five shades - white, beige, gray, lead and black - in four sizes for indoor environments and one size (45x90) with coefficient non-slip R11 for external ones.