Know all about Chalk and Boninite properties here. All properties of rocks are important as they define the type of rock and its application. Chalk belongs to Sedimentary Rocks while Boninite belongs to Igneous Rocks.Texture of Chalk is Clastic or Non-Clastic whereas that of Boninite is Aphanitic to Porphyritic. Chalk appears Soft and Boninite appears Dull and Soft. The luster of Chalk is dull while that of Boninite is vitreous. Chalk is available in grey, white, yellow colors whereas Boninite is available in bluish - grey, brown, colourless, green, grey 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 Boninite are an oil and gas reservoir, cemetery markers, creating artwork, soil conditioner, source of magnesia (mgo).