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