Granite, Basalt and Obsidian are the rocks that give their name to the cold gray scale of the Lapis mosaic, the color that in recent years has become the protagonist of our homes; Sandstone, Terracotta and Argillite are sedimentary rocks that represent the colors of terracotta while Biancone, Travertino and Santafiora are the precious and versatile marbles, which give life to the shades of warm gray. Precious timeless dowels, made with the innovative Appiani BIO SHIELD + technology, to guarantee, together with the high technical performance of porcelain stoneware, antibacterial properties capable of slowing down the germination and reproduction phenomena of pathogenic fungi and bacteria, thus preserving the quality and health of the environments.