Know all about Chert and Pyroxenite properties here. All properties of rocks are important as they define the type of rock and its application. Chert belongs to Sedimentary Rocks while Pyroxenite belongs to Igneous Rocks.Texture of Chert is Banded, Rough whereas that of Pyroxenite is Clastic, Granular, Phaneritic, Porphyritic. Chert appears Glassy or Pearly and Pyroxenite appears Layered, Banded, Veined and Shiny. The luster of Chert is waxy and dull while that of Pyroxenite is dull to vitreous to submetallic. Chert is available in black, brown, green, grey, red, white colors whereas Pyroxenite is available in black to grey, bluish - grey, dark greenish - grey, green, light greenish grey colors. The commercial uses of Chert are creating artwork, gemstone, in fire-starting tools, jewelry, to ignite fire, used in flintlock firearms and that of Pyroxenite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.