Know all about Chalk and Basanite properties here. All properties of rocks are important as they define the type of rock and its application. Chalk belongs to Sedimentary Rocks while Basanite belongs to Igneous Rocks.Texture of Chalk is Clastic or Non-Clastic whereas that of Basanite is Aphanitic to Porphyritic. Chalk appears Soft and Basanite appears Glassy or Pearly. The luster of Chalk is dull while that of Basanite is waxy and dull. Chalk is available in grey, white, yellow colors whereas Basanite is available in black, brown, green, grey, red, white colors. The commercial uses of Chalk are alumina refineries, creating artwork, drawing on blackboards, gymnasts, athletes and mountain climbers use for grip, in aquifers, paper industry, production of lime, raw material for manufacture of quicklime, slaked lime, soil conditioner, whiting, whiting material in toothpaste, paint and paper and that of Basanite are as a touchstone, creating artwork, gemstone, in fire-starting tools, manufacture of tools, metallurgical flux, jewelry, to ignite fire, used in flintlock firearms.