Characteristics related to grain size of rocks are called as texture. Here you can know more about texture of Diatomite and Limestone. Texture of Diatomite is Clastic or Non-Clastic whereas that of Limestone is Clastic or Non-Clastic. Based on the texture of rocks, they are used for various purposes. Get detailed information about Diatomite vs Limestone texture, color, appearance and maintenance in the next section.