Know all about Shoshonite and Chalk properties here. All properties of rocks are important as they define the type of rock and its application. Shoshonite belongs to Igneous Rocks while Chalk belongs to Sedimentary Rocks.Texture of Shoshonite is Porphyritic whereas that of Chalk is Clastic or Non-Clastic. Shoshonite appears Dull and Chalk appears Soft. The luster of Shoshonite and Chalk is dull. Shoshonite is available in brown- black, dark brown colors whereas Chalk is available in grey, white, yellow colors. The commercial uses of Shoshonite are cemetery markers, creating artwork and that 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.