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