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