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