Know all about Pseudotachylite and Pyrolite properties here. All properties of rocks are important as they define the type of rock and its application. Pseudotachylite belongs to Metamorphic Rocks while Pyrolite belongs to Igneous Rocks.Texture of Pseudotachylite is Quench whereas that of Pyrolite is Phaneritic. Pseudotachylite appears Dull and Soft and Pyrolite appears Rough and Shiny. The luster of Pseudotachylite is vitreous while that of Pyrolite is shiny. Pseudotachylite is available in black, brown, colourless, green, grey, pink, white colors whereas Pyrolite is available in dark greenish - grey colors. The commercial uses of Pseudotachylite are creating artwork, gemstone and that of Pyrolite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds.