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