Because of etching, patina, and oxidization, all common components of wear on marble, your once picture-perfect tile will take on new characteristics over time. If you’re concerned with how your stone will age, take this pro tip from contributor Kimberly. Instead of a giant marble slab, “small, mosaic or penny tiles hide imperfections well.” This is due to the grout lines that surround each tile, pulling attention away from perceived discoloration.