Know all about Chert and Pumice properties here. All properties of rocks are important as they define the type of rock and its application. Chert belongs to Sedimentary Rocks while Pumice belongs to Igneous Rocks.Texture of Chert is Banded, Rough whereas that of Pumice is Vesicular. Chert appears Glassy or Pearly and Pumice appears Vesicular. The luster of Chert is waxy and dull while that of Pumice is earthy. Chert is available in black, brown, green, grey, red, white colors whereas Pumice is available in beige, colourless, grey, light green, light grey, pink, white, yellow- 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 Pumice are as a traction material on snow-covered roads, as an abrasive in pencil erasers, fine abrasive used for polishing, manufacture of soap, solvents, dyes, plastics and fibres, used in aquariums.