Know all about Peridotite and Chert properties here. All properties of rocks are important as they define the type of rock and its application. Peridotite belongs to Igneous Rocks while Chert belongs to Sedimentary Rocks.Texture of Peridotite is Phaneritic whereas that of Chert is Banded, Rough. Peridotite appears Rough and Shiny and Chert appears Glassy or Pearly. The luster of Peridotite is shiny while that of Chert is waxy and dull. Peridotite is available in dark greenish - grey colors whereas Chert is available in black, brown, green, grey, red, white colors. The commercial uses of Peridotite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds and that of Chert are creating artwork, gemstone, in fire-starting tools, jewelry, to ignite fire, used in flintlock firearms.