Know all about Chalk and Schist properties here. All properties of rocks are important as they define the type of rock and its application. Chalk belongs to Sedimentary Rocks while Schist belongs to Metamorphic Rocks.Texture of Chalk is Clastic or Non-Clastic whereas that of Schist is Foliated, Platy. Chalk appears Soft and Schist appears Layered and Shiny. The luster of Chalk is dull while that of Schist is shiny. Chalk is available in grey, white, yellow colors whereas Schist is available in black, blue, brown, dark brown, green, grey, silver 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 Schist are used in aquariums, writing slates.