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