Premium grade Nero Marquina marble penny round mosaic tiles. Black Marquina marble polished 1-inch penny round the mosaic wall and floor tiles are perfect for any interior project. The 1-inch Nero Marquina Venato marble penny round mosaic tiles can be used for a kitchen backsplash, bathroom flooring, shower surround, dining room, entryway, or spa. Our timeless glossy Nero Marquinia black marble penny round waterjet mosaic tiles with a large selection of coordinating products are available and include arabesque, fish scale, penny round, herringbone, basketweave mosaics, 12x12, 18x18, 12x34, subway tiles, moldings, borders, and more.