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