and you are supposed to install them as close to each other as possible so that the grout lines are nearly invisible. But if that's the case, why not forego the grout all together? It turns out you ...
Selecting and installing ... of pearl tiles. While not all mother of pearl tiles are groutless, some brands, like Tile Club, offer options that can be installed seamlessly with no (or very little) ...
This grout neither uses Portland cement nor uses water. It is less porous when compared to cement grouts and are the best choice for tile installation in areas that are prone to acid and grease attack ...