Know all about Chert and Sandstone properties here. All properties of rocks are important as they define the type of rock and its application. Chert and Sandstone belong to Sedimentary Rocks.Texture of Chert is Banded, Rough whereas that of Sandstone is Clastic, Granular, Rough. Chert appears Glassy or Pearly and Sandstone appears Rough. The luster of Chert is waxy and dull while that of Sandstone is dull. Chert is available in black, brown, green, grey, red, white colors whereas Sandstone is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, 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 Sandstone are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones, used in aquariums.