Know all about Claystone and Gritstone properties here. All properties of rocks are important as they define the type of rock and its application. Claystone and Gritstone belong to Sedimentary Rocks.Texture of Claystone is Clastic whereas that of Gritstone is Earthy. Claystone appears Rough and Dull and Gritstone appears Layered and Foliated. The luster of Claystone and Gritstone is dull. Claystone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas Gritstone is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors. The commercial uses of Claystone are pottery and that of Gritstone are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo), tombstones.