Know all about Borolanite and Chalk properties here. All properties of rocks are important as they define the type of rock and its application. Borolanite belongs to Igneous Rocks while Chalk belongs to Sedimentary Rocks.Texture of Borolanite is Granular whereas that of Chalk is Clastic or Non-Clastic. Borolanite appears Banded and Foilated and Chalk appears Soft. The luster of Borolanite is greasy to dull while that of Chalk is dull. Borolanite is available in brown, buff, cream, green, grey, pink, white colors whereas Chalk is available in grey, white, yellow colors. The commercial uses of Borolanite are cemetery markers 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.