Know all about Schist and Pseudotachylite properties here. All properties of rocks are important as they define the type of rock and its application. Schist and Pseudotachylite belong to Metamorphic Rocks.Texture of Schist is Foliated, Platy whereas that of Pseudotachylite is Quench. Schist appears Layered and Shiny and Pseudotachylite appears Dull and Soft. The luster of Schist is shiny while that of Pseudotachylite is vitreous. Schist is available in black, blue, brown, dark brown, green, grey, silver colors whereas Pseudotachylite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Schist are used in aquariums, writing slates and that of Pseudotachylite are creating artwork, gemstone.