Know all about Hornfels and Pseudotachylite properties here. All properties of rocks are important as they define the type of rock and its application. Hornfels and Pseudotachylite belong to Metamorphic Rocks.Texture of Hornfels is Granular, Platy whereas that of Pseudotachylite is Quench. Hornfels appears Dull and Pseudotachylite appears Dull and Soft. The luster of Hornfels is shiny while that of Pseudotachylite is vitreous. Hornfels is available in brown, dark greenish - grey, green, reddish brown colors whereas Pseudotachylite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Hornfels are cemetery markers, commemorative tablets, creating artwork and that of Pseudotachylite are creating artwork, gemstone.