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