Characteristics related to grain size of rocks are called as texture. Here you can know more about texture of Marl and Luxullianite. Texture of Marl is Earthy whereas that of Luxullianite is Granular, Phaneritic. Based on the texture of rocks, they are used for various purposes. Get detailed information about Marl vs Luxullianite texture, color, appearance and maintenance in the next section.