Know all about Adakite and Chalk properties here. All properties of rocks are important as they define the type of rock and its application. Adakite belongs to Igneous Rocks while Chalk belongs to Sedimentary Rocks.Texture of Adakite is Porphyritic whereas that of Chalk is Clastic or Non-Clastic. Adakite appears Dull and Soft and Chalk appears Soft. The luster of Adakite is grainy, pearly and vitreous while that of Chalk is dull. Adakite is available in black, brown, light to dark grey colors whereas Chalk is available in grey, white, yellow colors. The commercial uses of Adakite are commemorative tablets, pottery, 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.