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