Know all about Shale and Gritstone properties here. All properties of rocks are important as they define the type of rock and its application. Shale and Gritstone belong to Sedimentary Rocks.Texture of Shale is Clastic, Splintery whereas that of Gritstone is Earthy. Shale appears Muddy and Gritstone appears Layered and Foliated. The luster of Shale and Gritstone is dull. Shale is available in black, brown, buff, green, grey, red, 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 Shale are creating artwork, 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.