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