Know all about Schist and Siltstone properties here. All properties of rocks are important as they define the type of rock and its application. Schist belongs to Metamorphic Rocks while Siltstone belongs to Sedimentary Rocks.Texture of Schist is Foliated, Platy whereas that of Siltstone is Clastic. Schist appears Layered and Shiny and Siltstone appears Rough. The luster of Schist is shiny while that of Siltstone is dull. Schist is available in black, blue, brown, dark brown, green, grey, silver colors whereas Siltstone is available in brown, red, reddish brown colors. The commercial uses of Schist are used in aquariums, writing slates and that of Siltstone are raw material for the manufacture of mortar, soil conditioner.