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