Know all about Schist and Gritstone properties here. All properties of rocks are important as they define the type of rock and its application. Schist belongs to Metamorphic Rocks while Gritstone belongs to Sedimentary Rocks.Texture of Schist is Foliated, Platy whereas that of Gritstone is Earthy. Schist appears Layered and Shiny and Gritstone appears Layered and Foliated. The luster of Schist is shiny while that of Gritstone is dull. Schist is available in black, blue, brown, dark brown, green, grey, silver 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 Schist are used in aquariums, writing slates 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.