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