Know all about Claystone and Trachyandesite properties here. All properties of rocks are important as they define the type of rock and its application. Claystone belongs to Sedimentary Rocks while Trachyandesite belongs to Igneous Rocks.Texture of Claystone is Clastic whereas that of Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Claystone appears Rough and Dull and Trachyandesite appears Dull and Soft. The luster of Claystone is dull while that of Trachyandesite is earthy. Claystone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas Trachyandesite is available in black, brown, light to dark grey colors. The commercial uses of Claystone are pottery and that of Trachyandesite are creating artwork, pottery.