Know all about Chalk and Conglomerate properties here. All properties of rocks are important as they define the type of rock and its application. Chalk and Conglomerate belong to Sedimentary Rocks.Texture of Chalk is Clastic or Non-Clastic whereas that of Conglomerate is Clastic. Chalk appears Soft and Conglomerate appears Shiny and Rounded. The luster of Chalk and Conglomerate is dull. Chalk is available in grey, white, yellow colors whereas Conglomerate is available in beige, black, brown, buff, light to dark grey, orange, rust, white, yellow 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 Conglomerate are cemetery markers, in aquifers, tombstones.