Know all about Claystone and Comendite properties here. All properties of rocks are important as they define the type of rock and its application. Claystone belongs to Sedimentary Rocks while Comendite belongs to Igneous Rocks.Texture of Claystone is Clastic whereas that of Comendite is Porphyritic. Claystone appears Rough and Dull and Comendite appears Foliated. The luster of Claystone and Comendite is dull. Claystone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas Comendite is available in blue, bluish - grey colors. The commercial uses of Claystone are pottery and that of Comendite are cemetery markers.