Know all about Chert and Epidosite properties here. All properties of rocks are important as they define the type of rock and its application. Chert belongs to Sedimentary Rocks while Epidosite belongs to Igneous Rocks.Texture of Chert is Banded, Rough whereas that of Epidosite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Chert appears Glassy or Pearly and Epidosite appears Dull and Soft. The luster of Chert is waxy and dull while that of Epidosite is not available. Chert is available in black, brown, green, grey, red, white colors whereas Epidosite is available in black, brown, light to dark 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 Epidosite are commemorative tablets, creating artwork.