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