Know all about Chalk and Talc carbonate properties here. All properties of rocks are important as they define the type of rock and its application. Chalk belongs to Sedimentary Rocks while Talc carbonate belongs to Metamorphic Rocks.Texture of Chalk is Clastic or Non-Clastic whereas that of Talc carbonate is Very Soft. Chalk appears Soft and Talc carbonate appears Soft. The luster of Chalk is dull while that of Talc carbonate is pearly. Chalk is available in grey, white, yellow colors whereas Talc carbonate is available in colourless, grey, 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 Talc carbonate are manufacturing of baby powder.