Know all about Chert and Pegmatite properties here. All properties of rocks are important as they define the type of rock and its application. Chert belongs to Sedimentary Rocks while Pegmatite belongs to Igneous Rocks.Texture of Chert is Banded, Rough whereas that of Pegmatite is Pegmatitic. Chert appears Glassy or Pearly and Pegmatite appears Layered, Banded, Veined and Shiny. The luster of Chert is waxy and dull while that of Pegmatite is grainy, pearly and vitreous. Chert is available in black, brown, green, grey, red, white colors whereas Pegmatite is available in black, brown, cream, green, grey, pink, red, rust, silver, white, yellow 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 Pegmatite are creating artwork, jewelry, source of corundum, tourmalines, beryls and topaz.