Know all about Schist and Argillite properties here. All properties of rocks are important as they define the type of rock and its application. Schist belongs to Metamorphic Rocks while Argillite belongs to Sedimentary Rocks.Texture of Schist is Foliated, Platy whereas that of Argillite is Clastic, Polished. Schist appears Layered and Shiny and Argillite appears Rough and Dull. The luster of Schist is shiny while that of Argillite is waxy and dull. Schist is available in black, blue, brown, dark brown, green, grey, silver colors whereas Argillite is available in dark grey to black, pink, red, white colors. The commercial uses of Schist are used in aquariums, writing slates and that of Argillite are fire resistant, used to manufracture paperweights and bookends.