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