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