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