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