Know all about Chert and Hornblendite properties here. All properties of rocks are important as they define the type of rock and its application. Chert belongs to Sedimentary Rocks while Hornblendite belongs to Igneous Rocks.Texture of Chert is Banded, Rough whereas that of Hornblendite is Banded, Foliated, Massive. Chert appears Glassy or Pearly and Hornblendite appears Foliated. The luster of Chert is waxy and dull while that of Hornblendite is vitreous to dull. Chert and Hornblendite are available in black, brown, green, grey, red, white 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 Hornblendite are cemetery markers, commemorative tablets, creating artwork.