Know all about Pumice and Chalk properties here. All properties of rocks are important as they define the type of rock and its application. Pumice belongs to Igneous Rocks while Chalk belongs to Sedimentary Rocks.Texture of Pumice is Vesicular whereas that of Chalk is Clastic or Non-Clastic. Pumice appears Vesicular and Chalk appears Soft. The luster of Pumice is earthy while that of Chalk is dull. Pumice is available in beige, colourless, grey, light green, light grey, pink, white, yellow- grey colors whereas Chalk is available in grey, white, yellow colors. The commercial uses of Pumice are as a traction material on snow-covered roads, as an abrasive in pencil erasers, fine abrasive used for polishing, manufacture of soap, solvents, dyes, plastics and fibres, used in aquariums 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.