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