Know all about Siltstone and Limestone properties here. All properties of rocks are important as they define the type of rock and its application. Siltstone and Limestone belong to Sedimentary Rocks.Texture of Siltstone is Clastic whereas that of Limestone is Clastic or Non-Clastic. Siltstone appears Rough and Limestone appears Rough and Banded. The luster of Siltstone is dull while that of Limestone is dull to pearly. Siltstone is available in brown, red, reddish brown colors whereas Limestone is available in beige, black, blue, brown, cream, gold, green, grey, light green, light grey, linen, pink, red, rust, silver, white, yellow colors. The commercial uses of Siltstone are raw material for the manufacture of mortar, soil conditioner and that of Limestone are animal feed filler, as a feed additive for livestock, paper industry, raw material for manufacture of quicklime, slaked lime, soil conditioner, used in aquariums, whiting material in toothpaste, paint and paper.