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