Know all about Chert and Granite properties here. All properties of rocks are important as they define the type of rock and its application. Chert belongs to Sedimentary Rocks while Granite belongs to Igneous Rocks.Texture of Chert is Banded, Rough whereas that of Granite is Granular, Phaneritic. Chert appears Glassy or Pearly and Granite appears Veined or Pebbled. The luster of Chert is waxy and dull while that of Granite is dull to grainy with sporadic parts pearly and vitreous. Chert is available in black, brown, green, grey, red, white colors whereas Granite is available in black, grey, orange, pink, 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 Granite are curling, gemstone, laboratory bench tops, tombstones, used in aquariums.