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