Know all about Breccia and Chalk properties here. All properties of rocks are important as they define the type of rock and its application. Breccia and Chalk belong to Sedimentary Rocks.Texture of Breccia is Brecciated, Clastic whereas that of Chalk is Clastic or Non-Clastic. Breccia appears Layered, Banded, Veined and Shiny and Chalk appears Soft. The luster of Breccia is dull to pearly while that of Chalk is dull. Breccia and Chalk are available in beige, black, blue, brown, buff, green, grey, orange, pink, purple, red, rust, white, yellow colors. The commercial uses of Breccia are creating artwork, gemstone, jewelry 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.